コード vector<uint64_t> prime_factor(uint64_t n) { vector<array<uint64_t, 2>> ret; for (uint64_t i = 2; i * i <= n; ++i) { if (n % i) continue; uint64_t cnt = 0; while (n % i == 0) { n /= i; ++cnt; } ret.push_back({ i, cnt }); } if (n != 1) ret.push_back({ n, 1 }); re</array<uint64_t,></uint64_t>…