25681061

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 30117120

約数和(自身を除く): 4436059

約数列:

[1, 7, 61, 137, 427, 439, 959, 3073, 8357, 26779, 58499, 60143, 187453, 421001, 3668723, 25681061]

約数ペア:

[(1, 25681061), (7, 3668723), (61, 421001), (137, 187453), (427, 60143), (439, 58499), (959, 26779), (3073, 8357)]