28652209

素因数分解:

${\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:748

約数の個数: 12

約数和(自身を含む): 30510480

約数和(自身を除く): 1858271

約数列:

[1, 19, 139, 361, 571, 2641, 10849, 50179, 79369, 206131, 1508011, 28652209]

約数ペア:

[(1, 28652209), (19, 1508011), (139, 206131), (361, 79369), (571, 50179), (2641, 10849)]