90878878

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{2221}}^1$

素因数の和:2763

約数の個数: 16

約数和(自身を含む): 139986000

約数和(自身を除く): 49107122

約数列:

[1, 2, 41, 82, 499, 998, 2221, 4442, 20459, 40918, 91061, 182122, 1108279, 2216558, 45439439, 90878878]

約数ペア:

[(1, 90878878), (2, 45439439), (41, 2216558), (82, 1108279), (499, 182122), (998, 91061), (2221, 40918), (4442, 20459)]