#include <iostream>
#include <map>
#include <cmath>
#define int long long
using namespace std;

signed main() {
	int n;
	map<string,bool> mp;
	cin >> n;
	for(int i = 1;i * i <= n;i++){
		if(n % i == 0){
			mp[to_string(i) + to_string(n / i)] = true;
			mp[to_string(n / i) + to_string(i)] = true;
		}
	}
	cout << mp.size() << endl;
	return 0;
}