398272021

素因数分解:

$7^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1\times {\mathrm{769}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 459141760

約数和(自身を除く): 60869739

約数列:

[1, 7, 241, 307, 769, 1687, 2149, 5383, 73987, 185329, 236083, 517909, 1297303, 1652581, 56896003, 398272021]

約数ペア:

[(1, 398272021), (7, 56896003), (241, 1652581), (307, 1297303), (769, 517909), (1687, 236083), (2149, 185329), (5383, 73987)]