28257281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4409}}^1$

素因数の和:4468

約数の個数: 16

約数和(自身を含む): 33339600

約数和(自身を除く): 5082319

約数列:

[1, 13, 17, 29, 221, 377, 493, 4409, 6409, 57317, 74953, 127861, 974389, 1662193, 2173637, 28257281]

約数ペア:

[(1, 28257281), (13, 2173637), (17, 1662193), (29, 974389), (221, 127861), (377, 74953), (493, 57317), (4409, 6409)]