204021784

素因数分解:

$2^3\times {\mathrm{821}}^1\times {\mathrm{31063}}^1$

素因数の和:31890

約数の個数: 16

約数和(自身を含む): 383019120

約数和(自身を除く): 178997336

約数列:

[1, 2, 4, 8, 821, 1642, 3284, 6568, 31063, 62126, 124252, 248504, 25502723, 51005446, 102010892, 204021784]

約数ペア:

[(1, 204021784), (2, 102010892), (4, 51005446), (8, 25502723), (821, 248504), (1642, 124252), (3284, 62126), (6568, 31063)]