78640429

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{2687}}^1$

素因数の和:2844

約数の個数: 16

約数和(自身を含む): 93155328

約数和(自身を除く): 14514899

約数列:

[1, 7, 37, 113, 259, 791, 2687, 4181, 18809, 29267, 99419, 303631, 695933, 2125417, 11234347, 78640429]

約数ペア:

[(1, 78640429), (7, 11234347), (37, 2125417), (113, 695933), (259, 303631), (791, 99419), (2687, 29267), (4181, 18809)]