641397016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{8147}}^1$

素因数の和:8923

約数の個数: 32

約数和(自身を含む): 1296998640

約数和(自身を除く): 655601624

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 757, 1514, 3028, 6056, 8147, 9841, 16294, 19682, 32588, 39364, 65176, 78728, 105911, 211822, 423644, 847288, 6167279, 12334558, 24669116, 49338232, 80174627, 160349254, 320698508, 641397016]

約数ペア:

[(1, 641397016), (2, 320698508), (4, 160349254), (8, 80174627), (13, 49338232), (26, 24669116), (52, 12334558), (104, 6167279), (757, 847288), (1514, 423644), (3028, 211822), (6056, 105911), (8147, 78728), (9841, 65176), (16294, 39364), (19682, 32588)]