import java.util.HashSet;
import java.util.Scanner;

public class Main {
	static public void main(String[]args) throws Exception {
		Scanner sc = new Scanner(System.in);
		long n = sc.nextLong();
		solve(n);
	}

	static void solve(long n) {
		HashSet<String> hs = new HashSet();
		for(int i=1; i<=Math.sqrt(n); i++) {
			if(n % i == 0) {
				long j = n / i;
				hs.add(i+""+j);
				hs.add(j+""+i);
			}
		}
		System.out.println(hs.size());
	}
}