81462857

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{571}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 94723200

約数和(自身を除く): 13260343

約数列:

[1, 7, 89, 229, 571, 623, 1603, 3997, 20381, 50819, 130759, 142667, 355733, 915313, 11637551, 81462857]

約数ペア:

[(1, 81462857), (7, 11637551), (89, 915313), (229, 355733), (571, 142667), (623, 130759), (1603, 50819), (3997, 20381)]