#include "bits/stdc++.h"

#define rep(a,b) for(int a = 0;a < b;a++)
#define REP(i, x, n) for(int i = x; i < n; i++)
#define P(a) cout << a << endl
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
int dx[] = { 1, -1 , 0 , 0 };
int dy[] = { 0,  0,  1, -1 };
unsigned long long str_to_int(std::string str) {
	unsigned long long ret;
	std::stringstream ss; ss << str;
	ss >> ret;
	return ret;
}

int main() {
	int n;
	cin >> n;
	int count = 0;
	bool flag = false;
	for (int i = 1; i*i <= n; i++) {
		if (n % i == 0) {
			if (i*i == n) {
				flag = true;
			}
			count++;
		}
	}
	if (flag) {
		count *= 2;
		count--;
	}
	else {
		count *= 2;
	}
	P(count);
}