401585471

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{19913}}^1$

素因数の和:20030

約数の個数: 16

約数和(自身を含む): 476661504

約数和(自身を除く): 75076033

約数列:

[1, 7, 43, 67, 301, 469, 2881, 19913, 20167, 139391, 856259, 1334171, 5993813, 9339197, 57369353, 401585471]

約数ペア:

[(1, 401585471), (7, 57369353), (43, 9339197), (67, 5993813), (301, 1334171), (469, 856259), (2881, 139391), (19913, 20167)]