408035290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{241441}}^1$

素因数の和:241474

約数の個数: 24

約数和(自身を含む): 795309948

約数和(自身を除く): 387274658

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 241441, 482882, 1207205, 2414410, 3138733, 6277466, 15693665, 31387330, 40803529, 81607058, 204017645, 408035290]

約数ペア:

[(1, 408035290), (2, 204017645), (5, 81607058), (10, 40803529), (13, 31387330), (26, 15693665), (65, 6277466), (130, 3138733), (169, 2414410), (338, 1207205), (845, 482882), (1690, 241441)]