64973456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8237}}^1$

素因数の和:8291

約数の個数: 40

約数和(自身を含む): 137904120

約数和(自身を除く): 72930664

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 3944, 7888, 8237, 16474, 32948, 65896, 131792, 140029, 238873, 280058, 477746, 560116, 955492, 1120232, 1910984, 2240464, 3821968, 4060841, 8121682, 16243364, 32486728, 64973456]

約数ペア:

[(1, 64973456), (2, 32486728), (4, 16243364), (8, 8121682), (16, 4060841), (17, 3821968), (29, 2240464), (34, 1910984), (58, 1120232), (68, 955492), (116, 560116), (136, 477746), (232, 280058), (272, 238873), (464, 140029), (493, 131792), (986, 65896), (1972, 32948), (3944, 16474), (7888, 8237)]