#include<stdio.h>
int main ()
{
	int n,c,i;
	c=0; i=0;
	FILE *r = fopen("ciurul.in", "r");
	FILE *w = fopen("ciurul.out", "w");
	fscanf(r, "%d", &n);
	for(i=1;i<n;i++)
	  if(n%i!=0)
		 c++;
	fprintf(w, "%d",c);
	return 0;
}