fl.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
 
int main(int argc, char **argv)
{
	int n, x, y, i, r, c;
	while (1) {
		r = scanf("1/%d\n", &n);
		if (r != 1) break;
		c = 0;
		for (x=0; x<n; x++) {
			y = (x*n)/(x-n);
			if (n*(x+y) == x*y) c++;
		}
		printf("%d\n", c);
	}
	return 0;
}