#include <iostream>
using namespace std;

int main() {
	// your code goes here
	int n;
	cin>>n;
	int i;
	int count=0;
	for(i=1;i<=n;i++)
	 {
	 	if(n%i==0)
	 	 {
	 	 	count++;
	 	 }
	 }
	 cout<<count;
	return 0;
}