#include <stdio.h>
#include <math.h>


int main(int argc, char** argv)
{
        int a_number = 0;
        int a_dividers_sum = 0;
        int potential_b_number = 0;
        int b_dividers_sum = 0;

        if (argc <= 1)
        {
                fprintf(stderr, "No argument passed! Exit");
                return 1;
        }
        else
        {
                a_number = atoi(argv[1]);
        }

        printf("Passed number: %d\n", a_number);

        if (a_number <= 1)
        {
                fprintf(stderr,"Wrong number passed! Exit");
                return 1;
        }

        int i = 1;

        printf("A dividers: \n");
        for(i = 1; i < a_number; ++i)
        {
                if (a_number % i == 0)
                {
                        printf("%d, ", i);
                        a_dividers_sum += i;
                }
        }

        --a_dividers_sum;
        printf("\n\nPotential b : %d", a_dividers_sum);
        printf("\n\n\n");

        printf("B dividers: \n");
        for (i = 1; i < a_dividers_sum; ++i)
        {
                if (a_dividers_sum % i == 0)
                {
                        printf("%d, ", i);
                        b_dividers_sum += i;
                }
        }

        if ((b_dividers_sum - 1) == a_number)
        {
                printf("\n\nResult A: %d , B: %d \n\n", a_number, a_dividers_sum);
        }
        else
        {
                printf("\n\nNumber %d as A number has no B pair\n\n", a_number);
        }

        return 0;
}