8218165

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 10835640

約数和(自身を除く): 2617475

約数列:

[1, 5, 19, 29, 95, 145, 157, 361, 551, 785, 1805, 2755, 2983, 4553, 10469, 14915, 22765, 52345, 56677, 86507, 283385, 432535, 1643633, 8218165]

約数ペア:

[(1, 8218165), (5, 1643633), (19, 432535), (29, 283385), (95, 86507), (145, 56677), (157, 52345), (361, 22765), (551, 14915), (785, 10469), (1805, 4553), (2755, 2983)]