20171640979

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{47240377}}^1$

素因数の和:47240445

約数の個数: 8

約数和(自身を含む): 23431227488

約数和(自身を除く): 3259586509

約数列:

[1, 7, 61, 427, 47240377, 330682639, 2881662997, 20171640979]

約数ペア:

[(1, 20171640979), (7, 2881662997), (61, 330682639), (427, 47240377)]