#include<iostream>
#include<utility>
#include<vector>
#include<complex>

int main(){
	long long n;
	std::cin >> n;

	std::vector<std::pair<long long, long long> > v;
	int cnt = 0;
	for(int i = 1; i <= sqrt(n); i++){
		if(n % i == 0)v.push_back(std::make_pair(i, n / i));

		if(n / i == i)cnt++;
	}
	
	std::cout << v.size() * 2 - cnt << std::endl;


}