661664

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 48

約数和(自身を含む): 1451520

約数和(自身を除く): 789856

約数列:

[1, 2, 4, 8, 16, 23, 29, 31, 32, 46, 58, 62, 92, 116, 124, 184, 232, 248, 368, 464, 496, 667, 713, 736, 899, 928, 992, 1334, 1426, 1798, 2668, 2852, 3596, 5336, 5704, 7192, 10672, 11408, 14384, 20677, 21344, 22816, 28768, 41354, 82708, 165416, 330832, 661664]

約数ペア:

[(1, 661664), (2, 330832), (4, 165416), (8, 82708), (16, 41354), (23, 28768), (29, 22816), (31, 21344), (32, 20677), (46, 14384), (58, 11408), (62, 10672), (92, 7192), (116, 5704), (124, 5336), (184, 3596), (232, 2852), (248, 2668), (368, 1798), (464, 1426), (496, 1334), (667, 992), (713, 928), (736, 899)]