import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Scanner;

class Lab32cst {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.print("Enter an integer: ");
        int any=in.nextInt();


        Factor f=new Factor(any);
        f.getFactor(any);
        f.display();

    }
}

class Factor
{
    ArrayList<Integer> factor;
    ArrayList<Integer> prime;
    private int f;
    private int b;
    private double average;

    public Factor(int n)
    {
        factor=new ArrayList<Integer>();
        prime=new ArrayList<Integer>();
        this.f=n;
        b=1;
    }

    public void getFactor(int n)
    {
        if(n % b == 0) {
            factor.add(b);
            average+=b;
            if(prime(b,2)==1)
                prime.add(b);

        }
        b++;
        if(b<=n)
            getFactor(f);
        else
            average/=factor.size();
    }

    int prime(int y,int i)
    {
        if(i < y)
        {
            if(y % i != 0)
            {
                return(prime(y, ++i));
            }
            else
            {
                return 0;
            }
        }
        return 1;
    }

    public void display()
    {
        DecimalFormat twodeci=new DecimalFormat("0.00");
        System.out.println("All Factors: " + factor);
        System.out.println("Prime Factors: " + prime);
        System.out.println("Average of all factors: " + twodeci.format(average));
    }





}