285686513

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1777}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 353900232

約数和(自身を除く): 68213719

約数列:

[1, 7, 17, 49, 119, 193, 833, 1351, 1777, 3281, 9457, 12439, 22967, 30209, 87073, 160769, 211463, 342961, 1480241, 2400727, 5830337, 16805089, 40812359, 285686513]

約数ペア:

[(1, 285686513), (7, 40812359), (17, 16805089), (49, 5830337), (119, 2400727), (193, 1480241), (833, 342961), (1351, 211463), (1777, 160769), (3281, 87073), (9457, 30209), (12439, 22967)]