lesson3_task3

package com.company.hw3;

import java.util.Scanner;

public class task3 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int x, res = 0;
        x = scanner.nextInt();

        for (int i = 2; i <= x; i++) {
            if (x % i == 0) {
                int div_count = 0;
                for (int j = 2; j < i; j++) {
                    if (i % j == 0) {
                        div_count += 1;
                    }
                }

                if (div_count == 0) {
                    res += i;
                }
            }
        }

        System.out.println(res);


    }
}