28356895

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{7433}}^1$

素因数の和:7554

約数の個数: 16

約数和(自身を含む): 39251520

約数和(自身を除く): 10894625

約数列:

[1, 5, 7, 35, 109, 545, 763, 3815, 7433, 37165, 52031, 260155, 810197, 4050985, 5671379, 28356895]

約数ペア:

[(1, 28356895), (5, 5671379), (7, 4050985), (35, 810197), (109, 260155), (545, 52031), (763, 37165), (3815, 7433)]