#define CPP17 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CPP17 #include #endif #define endl codeforces #define ALL(v) std::begin(v), std::end(v) #define ALLR(v) std::rbegin(v), std::rend(v) using ll = std::int64_t; using ull = std::uint64_t; using pii = std::pair; using tii = std::tuple; using pll = std::pair; using tll = std::tuple; using size_type = ssize_t; template using vec = std::vector; template using vvec = vec>; template const T& var_min(const T &t) { return t; } template const T& var_max(const T &t) { return t; } template const T& var_min(const T &t, const Tail&... tail) { return std::min(t, var_min(tail...)); } template const T& var_max(const T &t, const Tail&... tail) { return std::max(t, var_max(tail...)); } template void chmin(T &t, const Tail&... tail) { t = var_min(t, tail...); } template void chmax(T &t, const Tail&... tail) { t = var_max(t, tail...); } template struct multi_dim_array { using type = std::array::type, Head>; }; template struct multi_dim_array { using type = std::array; }; template using mdarray = typename multi_dim_array::type; #ifdef CPP17 template void fill_seq(T &t, F f, Args... args) { if constexpr (std::is_invocable::value) { t = f(args...); } else { for (size_type i = 0; i < t.size(); i++) fill_seq(t[i], f, args..., i); } } #endif template vec make_v(size_type sz) { return vec(sz); } template auto make_v(size_type hs, Tail&&... ts) { auto v = std::move(make_v(std::forward(ts)...)); return vec(hs, v); } namespace init__ { struct InitIO { InitIO() { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); std::cout << std::fixed << std::setprecision(30); } } init_io; } template T ceil_pow2(T bound) { T ret = 1; while (ret < bound) ret *= 2; return ret; } template T ceil_div(T a, T b) { return a / b + !!(a % b); } #define CPP17 ll solve() { ll x, y; std::cin >> x >> y; if (x < y) std::swap(x, y); ll diff = x + y, ans = 0; // x = ab + c // y = ac + b // x = a(y - ac) + c // = ay - a*a*c + c // (a^2 - 1)c = ay - x // c = (ay - x) / (a^2 - 1) auto update = [&](ll a) { if (a == 1) { if (x == y) ans += x - 1; return; } ll num = a * y - x; if (num <= 0) return; ll den = a * a - 1; if (den <= 0) return; if (num % den) return; ll c = num / den; ll b = y - a * c; if (b <= 0) return; ans++; }; for (ll a1 = 1; a1 * a1 <= diff; a1++) { if (diff % a1) continue; update(a1 - 1); ll a2 = diff / a1; if (a1 < a2) update(a2 - 1); } return ans; } int main() { ll n; std::cin >> n; while (n--) std::cout << solve() << "\n"; return 0; }