639962648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{6153487}}^1$

素因数の和:6153506

約数の個数: 16

約数和(自身を含む): 1292232480

約数和(自身を除く): 652269832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 6153487, 12306974, 24613948, 49227896, 79995331, 159990662, 319981324, 639962648]

約数ペア:

[(1, 639962648), (2, 319981324), (4, 159990662), (8, 79995331), (13, 49227896), (26, 24613948), (52, 12306974), (104, 6153487)]