import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.Set;

import static java.lang.System.in;

public class No537 {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(in));
        int N = Integer.parseInt(reader.readLine());

        Set set = new HashSet();

        for (int i = 1; i * i <= N; i++) {
            if (N % i == 0) {

                set.add(String.format("%d%d", i, (N / i)));
                set.add(String.format("%d%d", (N / i), i));
            }
        }

        System.out.println(set.size());
    }
}