25290428

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 45185280

約数和(自身を除く): 19894852

約数列:

[1, 2, 4, 79, 158, 163, 316, 326, 491, 652, 982, 1964, 12877, 25754, 38789, 51508, 77578, 80033, 155156, 160066, 320132, 6322607, 12645214, 25290428]

約数ペア:

[(1, 25290428), (2, 12645214), (4, 6322607), (79, 320132), (158, 160066), (163, 155156), (316, 80033), (326, 77578), (491, 51508), (652, 38789), (982, 25754), (1964, 12877)]