import java.util.*;

public class Main {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
		long x = sc.nextLong();
		HashSet<String> set = new HashSet<>();
		for (int i = 1; i <= Math.sqrt(x); i++) {
		    if (x % i == 0) {
		        set.add(i + "" + (x / i));
		        set.add((x / i) + "" + i);
		    }
		}
		System.out.println(set.size());
	}
}