28439215

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47797}}^1$

素因数の和:47826

約数の個数: 16

約数和(自身を含む): 41297472

約数和(自身を除く): 12858257

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 47797, 238985, 334579, 812549, 1672895, 4062745, 5687843, 28439215]

約数ペア:

[(1, 28439215), (5, 5687843), (7, 4062745), (17, 1672895), (35, 812549), (85, 334579), (119, 238985), (595, 47797)]