28541815

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 34901568

約数和(自身を除く): 6359753

約数列:

[1, 5, 103, 157, 353, 515, 785, 1765, 16171, 36359, 55421, 80855, 181795, 277105, 5708363, 28541815]

約数ペア:

[(1, 28541815), (5, 5708363), (103, 277105), (157, 181795), (353, 80855), (515, 55421), (785, 36359), (1765, 16171)]