399348528

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{202921}}^1$

素因数の和:202973

約数の個数: 40

約数和(自身を含む): 1056817776

約数和(自身を除く): 657469248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 202921, 405842, 608763, 811684, 1217526, 1623368, 2435052, 3246736, 4870104, 8319761, 9740208, 16639522, 24959283, 33279044, 49918566, 66558088, 99837132, 133116176, 199674264, 399348528]

約数ペア:

[(1, 399348528), (2, 199674264), (3, 133116176), (4, 99837132), (6, 66558088), (8, 49918566), (12, 33279044), (16, 24959283), (24, 16639522), (41, 9740208), (48, 8319761), (82, 4870104), (123, 3246736), (164, 2435052), (246, 1623368), (328, 1217526), (492, 811684), (656, 608763), (984, 405842), (1968, 202921)]