28618865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{12101}}^1$

素因数の和:12160

約数の個数: 16

約数和(自身を含む): 38339136

約数和(自身を除く): 9720271

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 12101, 60505, 133111, 520343, 665555, 2601715, 5723773, 28618865]

約数ペア:

[(1, 28618865), (5, 5723773), (11, 2601715), (43, 665555), (55, 520343), (215, 133111), (473, 60505), (2365, 12101)]