648901864

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{479957}}^1$

素因数の和:479989

約数の個数: 24

約数和(自身を含む): 1317484710

約数和(自身を除く): 668582846

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 479957, 959914, 1919828, 3839656, 6239441, 12478882, 24957764, 49915528, 81112733, 162225466, 324450932, 648901864]

約数ペア:

[(1, 648901864), (2, 324450932), (4, 162225466), (8, 81112733), (13, 49915528), (26, 24957764), (52, 12478882), (104, 6239441), (169, 3839656), (338, 1919828), (676, 959914), (1352, 479957)]