import java.io.*;
import java.util.*;


public class Main_yukicoder537 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		long n = sc.nextLong();

		Set<String> hs = new HashSet<>();
		for (long i = 1; i * i <= n; i++) {
			if (n % i == 0) {
				String tmp = Long.toString(i) + Long.toString(n / i);
				hs.add(tmp);
				tmp = Long.toString(n / i) + Long.toString(i);
				hs.add(tmp);
			}
		}

		pr.println(hs.size());
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(System.in);
		pr = new Printer(System.out);

		solve();

		pr.close();
		sc.close();
	}

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}