import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.NoSuchElementException; import java.util.TreeSet; public class Main { private void solve(FastScanner in, PrintWriter out) { long N = in.nextLong(); ArrayList list = new ArrayList<>(); for (int i = 1; i * i <= N; i++) { if (N % i == 0) { list.add(i); } } TreeSet set = new TreeSet<>(); for (int i : list) { long j = N / i; set.add(i + "" + j); set.add(j + "" + i); } out.println(set.size()); } public static int[] getPrimes(int N) { ArrayList primes = new ArrayList<>(); boolean[] isComposite = new boolean[N + 1]; primes.add(2); for (int i = 3; i <= N; i += 2) { if (!isComposite[i]) { primes.add(i); for (int j = i * 2; j <= N; j += i) { isComposite[j] = true; } } } int[] array = new int[primes.size()]; for (int i = 0; i < primes.size(); i++) { array[i] = primes.get(i); } return array; } public static void main(String[] args) { PrintWriter out = new PrintWriter(System.out); new Main().solve(new FastScanner(), out); out.close(); } private static class FastScanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int bufferLength = 0; private boolean hasNextByte() { if (ptr < bufferLength) { return true; } else { ptr = 0; try { bufferLength = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (bufferLength <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) { return buffer[ptr++]; } else { return -1; } } private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126; } private void skipUnprintable() { while (hasNextByte() && !isPrintableChar(buffer[ptr])) { ptr++; } } boolean hasNext() { skipUnprintable(); return hasNextByte(); } public String next() { if (!hasNext()) { throw new NoSuchElementException(); } StringBuilder sb = new StringBuilder(); int b = readByte(); while (isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } long nextLong() { if (!hasNext()) { throw new NoSuchElementException(); } long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while (true) { if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; } else if (b == -1 || !isPrintableChar(b)) { return minus ? -n : n; } else { throw new NumberFormatException(); } b = readByte(); } } double nextDouble() { return Double.parseDouble(next()); } double[] nextDoubleArray(int n) { double[] array = new double[n]; for (int i = 0; i < n; i++) { array[i] = nextDouble(); } return array; } double[][] nextDoubleMap(int n, int m) { double[][] map = new double[n][]; for (int i = 0; i < n; i++) { map[i] = nextDoubleArray(m); } return map; } public int nextInt() { return (int) nextLong(); } public int[] nextIntArray(int n) { int[] array = new int[n]; for (int i = 0; i < n; i++) { array[i] = nextInt(); } return array; } public long[] nextLongArray(int n) { long[] array = new long[n]; for (int i = 0; i < n; i++) { array[i] = nextLong(); } return array; } public String[] nextStringArray(int n) { String[] array = new String[n]; for (int i = 0; i < n; i++) { array[i] = next(); } return array; } public char[][] nextCharMap(int n) { char[][] array = new char[n][]; for (int i = 0; i < n; i++) { array[i] = next().toCharArray(); } return array; } public int[][] nextIntMap(int n, int m) { int[][] map = new int[n][]; for (int i = 0; i < n; i++) { map[i] = nextIntArray(m); } return map; } } }