25662416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123377}}^1$

素因数の和:123398

約数の個数: 20

約数和(自身を含む): 53546052

約数和(自身を除く): 27883636

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123377, 246754, 493508, 987016, 1603901, 1974032, 3207802, 6415604, 12831208, 25662416]

約数ペア:

[(1, 25662416), (2, 12831208), (4, 6415604), (8, 3207802), (13, 1974032), (16, 1603901), (26, 987016), (52, 493508), (104, 246754), (208, 123377)]