28305425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{66601}}^1$

素因数の和:66628

約数の個数: 12

約数和(自身を含む): 37163916

約数和(自身を除く): 8858491

約数列:

[1, 5, 17, 25, 85, 425, 66601, 333005, 1132217, 1665025, 5661085, 28305425]

約数ペア:

[(1, 28305425), (5, 5661085), (17, 1665025), (25, 1132217), (85, 333005), (425, 66601)]