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

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		long N = scan.nextLong();
		scan.close();
		Set<String> hash_set = new HashSet<String>();
		int k = (int)Math.sqrt(N);
		for(int i = 1; i <= k; i++) {
			if(N % i == 0) {
				long t = N / i;
				String s1 = Integer.toString(i) + Long.toString(t);
				String s2 = Long.toString(t) + Integer.toString(i);
				hash_set.add(s1);
				hash_set.add(s2);
			}
		}
		System.out.println(hash_set.size());
	}
}