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

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        long ans = 0;
        for (int i = 1; i <= Math.sqrt(n); i++) {
            if (n % i == 0) {
                ans += getAns(i, n / i);
            }
        }
        System.out.println(ans);
    }
    
    static long getAns(int x, int y) {
        long ans = 1;
        while (x > 0 && y > 0) {
            int modx = x % 2;
            int mody = y % 2;
            if (modx == 1 && mody == 1) {
                ans *= 2;
            } else if (modx == 1 && mody == 0) {
                ans = 0;
            }
            x >>= 1;
            y >>= 1;
        }
        return ans / 2;
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public String next() throws Exception {
        if (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
}