1640443384

素因数分解:

$2^3\times {\mathrm{821}}^1\times {\mathrm{249763}}^1$

素因数の和:250590

約数の個数: 16

約数和(自身を含む): 3079590120

約数和(自身を除く): 1439146736

約数列:

[1, 2, 4, 8, 821, 1642, 3284, 6568, 249763, 499526, 999052, 1998104, 205055423, 410110846, 820221692, 1640443384]

約数ペア:

[(1, 1640443384), (2, 820221692), (4, 410110846), (8, 205055423), (821, 1998104), (1642, 999052), (3284, 499526), (6568, 249763)]