fl.cpp

#include <cstdio>
#include <cstdlib>
#include <cmath>
 
#define lli long long int
 
int main()
{
    int n;
 
    while (scanf("1/%d\n", &n) == 1 )
    {
//        printf("==================\n");
        int cnt = 0;
 
        for (int x = 2*n ; x> n; x--)
        {
            int nxdiff = x-n;
            int nx = n*x;
            int y = 0;
 
            if ( nx % nxdiff != 0)
                continue;
 
            y = nx/nxdiff;
            cnt += 1;
  //          printf("%d,%d\n", x, y);
        }
        printf("%d\n", cnt);
    }
    return 0;
}