22170775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{80621}}^1$

素因数の和:80642

約数の個数: 12

約数和(自身を含む): 29991384

約数和(自身を除く): 7820609

約数列:

[1, 5, 11, 25, 55, 275, 80621, 403105, 886831, 2015525, 4434155, 22170775]

約数ペア:

[(1, 22170775), (5, 4434155), (11, 2015525), (25, 886831), (55, 403105), (275, 80621)]