664758416

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{204667}}^1$

素因数の和:204711

約数の個数: 40

約数和(自身を含む): 1522729920

約数和(自身を除く): 857971504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 204667, 409334, 818668, 1432669, 1637336, 2865338, 3274672, 5730676, 5935343, 11461352, 11870686, 22922704, 23741372, 41547401, 47482744, 83094802, 94965488, 166189604, 332379208, 664758416]

約数ペア:

[(1, 664758416), (2, 332379208), (4, 166189604), (7, 94965488), (8, 83094802), (14, 47482744), (16, 41547401), (28, 23741372), (29, 22922704), (56, 11870686), (58, 11461352), (112, 5935343), (116, 5730676), (203, 3274672), (232, 2865338), (406, 1637336), (464, 1432669), (812, 818668), (1624, 409334), (3248, 204667)]