258222013

素因数分解:

$7^2\times {\mathrm{431}}^1\times {\mathrm{12227}}^1$

素因数の和:12672

約数の個数: 12

約数和(自身を含む): 301102272

約数和(自身を除く): 42880259

約数列:

[1, 7, 49, 431, 3017, 12227, 21119, 85589, 599123, 5269837, 36888859, 258222013]

約数ペア:

[(1, 258222013), (7, 36888859), (49, 5269837), (431, 599123), (3017, 85589), (12227, 21119)]