257643528

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{41771}}^1$

素因数の和:42037

約数の個数: 32

約数和(自身を含む): 646630560

約数和(自身を除く): 388987032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 3084, 6168, 41771, 83542, 125313, 167084, 250626, 334168, 501252, 1002504, 10735147, 21470294, 32205441, 42940588, 64410882, 85881176, 128821764, 257643528]

約数ペア:

[(1, 257643528), (2, 128821764), (3, 85881176), (4, 64410882), (6, 42940588), (8, 32205441), (12, 21470294), (24, 10735147), (257, 1002504), (514, 501252), (771, 334168), (1028, 250626), (1542, 167084), (2056, 125313), (3084, 83542), (6168, 41771)]