398847962

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 669889440

約数和(自身を除く): 271041478

約数列:

[1, 2, 19, 29, 38, 43, 58, 86, 361, 443, 551, 722, 817, 886, 1102, 1247, 1634, 2494, 8417, 10469, 12847, 15523, 16834, 19049, 20938, 23693, 25694, 31046, 38098, 47386, 159923, 244093, 319846, 361931, 450167, 488186, 552421, 723862, 900334, 1104842, 4637767, 6876689, 9275534, 10495999, 13753378, 20991998, 199423981, 398847962]

約数ペア:

[(1, 398847962), (2, 199423981), (19, 20991998), (29, 13753378), (38, 10495999), (43, 9275534), (58, 6876689), (86, 4637767), (361, 1104842), (443, 900334), (551, 723862), (722, 552421), (817, 488186), (886, 450167), (1102, 361931), (1247, 319846), (1634, 244093), (2494, 159923), (8417, 47386), (10469, 38098), (12847, 31046), (15523, 25694), (16834, 23693), (19049, 20938)]