28638505

素因数分解:

$5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1433}}^1$

素因数の和:2016

約数の個数: 16

約数和(自身を含む): 39371904

約数和(自身を除く): 10733399

約数列:

[1, 5, 7, 35, 571, 1433, 2855, 3997, 7165, 10031, 19985, 50155, 818243, 4091215, 5727701, 28638505]

約数ペア:

[(1, 28638505), (5, 5727701), (7, 4091215), (35, 818243), (571, 50155), (1433, 19985), (2855, 10031), (3997, 7165)]