397488913

素因数分解:

${\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1\times {\mathrm{487}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 416572416

約数和(自身を除く): 19083503

約数列:

[1, 31, 113, 233, 487, 3503, 7223, 15097, 26329, 55031, 113471, 816199, 1705961, 3517601, 12822223, 397488913]

約数ペア:

[(1, 397488913), (31, 12822223), (113, 3517601), (233, 1705961), (487, 816199), (3503, 113471), (7223, 55031), (15097, 26329)]