128214023

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{1571}}^1$

素因数の和:1798

約数の個数: 16

約数和(自身を含む): 149402880

約数和(自身を除く): 21188857

約数列:

[1, 7, 89, 131, 623, 917, 1571, 10997, 11659, 81613, 139819, 205801, 978733, 1440607, 18316289, 128214023]

約数ペア:

[(1, 128214023), (7, 18316289), (89, 1440607), (131, 978733), (623, 205801), (917, 139819), (1571, 81613), (10997, 11659)]