68612290

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{86851}}^1$

素因数の和:86937

約数の個数: 16

約数和(自身を含む): 125066880

約数和(自身を除く): 56454590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 86851, 173702, 434255, 868510, 6861229, 13722458, 34306145, 68612290]

約数ペア:

[(1, 68612290), (2, 34306145), (5, 13722458), (10, 6861229), (79, 868510), (158, 434255), (395, 173702), (790, 86851)]