import java.util.Arrays;
import java.util.HashSet;
import java.util.Scanner;

class Main {
	public static void main(String[] args) throws Exception {
		new Main().run();
	}
	
	void run() {
		Scanner sc=new Scanner(System.in);
		long N=sc.nextLong();
		int ans=0;
		HashSet<String> set=new HashSet<>();
		for(long div=1;div*div<=N;++div) {
			if(N%div!=0)continue;
			set.add(String.valueOf(div)+String.valueOf(N/div));
			set.add(String.valueOf(N/div)+String.valueOf(div));
		}
		System.out.println(set.size());
	}
	
	static void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}
	
}