import java.util.*;

public class Main {
	static Scanner sc = new Scanner(System.in);
	public static void main(String[] args) {
		long n = sc.nextLong();
		Set<String> set = new HashSet<>();
		for (long i=1; i<=n; i++) {
			if (n%i==0) {
				StringBuilder sb = new StringBuilder();
				sb.append(String.valueOf(i));
				sb.append(String.valueOf(n/i));
				set.add(sb.toString());
			}
		}
		System.out.println(set.size());
	}
}