#include "bits/stdc++.h" #include "atcoder/all" using namespace std; using namespace atcoder; using mint = modint1000000007; const int mod = 1000000007; //using mint = modint998244353; //const int mod = 998244353; //const int INF = 1e9; //const long long LINF = 1e18; #define rep(i, n) for (int i = 0; i < (n); ++i) #define rep2(i,l,r)for(int i=(l);i<(r);++i) #define rrep(i, n) for (int i = (n-1); i >= 0; --i) #define rrep2(i,l,r)for(int i=(r-1);i>=(l);--i) #define all(x) (x).begin(),(x).end() #define allR(x) (x).rbegin(),(x).rend() #define endl "\n" long long calc(int x, int y) { long long ret = 1; bool b = true; while ((x > 0) || (y > 0)) { int _x = x % 2; int _y = y % 2; if ((1 == _x) && (1 == _y)) { ret *= 2; b = false; } else if ((1 == _x) && (0 == _y)) { ret *= 0; b = false; } x /= 2; y /= 2; } if (b) { ret *= 2; } return ret; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int N; cin >> N; long long ans = 0; for (long long i = 1; i <= sqrt(N); i++) { if (0 != N % i) { continue; } int x = i; int y = N / i; ans += calc(x, y); if (x != y) { ans += calc(y, x); } } ans /= 2; cout << ans << endl; return 0; }