161660556

素因数分解:

$2^2\times 3^3\times {\mathrm{239}}^1\times {\mathrm{6263}}^1$

素因数の和:6515

約数の個数: 48

約数和(自身を含む): 420940800

約数和(自身を除く): 259280244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 239, 478, 717, 956, 1434, 2151, 2868, 4302, 6263, 6453, 8604, 12526, 12906, 18789, 25052, 25812, 37578, 56367, 75156, 112734, 169101, 225468, 338202, 676404, 1496857, 2993714, 4490571, 5987428, 8981142, 13471713, 17962284, 26943426, 40415139, 53886852, 80830278, 161660556]

約数ペア:

[(1, 161660556), (2, 80830278), (3, 53886852), (4, 40415139), (6, 26943426), (9, 17962284), (12, 13471713), (18, 8981142), (27, 5987428), (36, 4490571), (54, 2993714), (108, 1496857), (239, 676404), (478, 338202), (717, 225468), (956, 169101), (1434, 112734), (2151, 75156), (2868, 56367), (4302, 37578), (6263, 25812), (6453, 25052), (8604, 18789), (12526, 12906)]