28108105

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1301}}^1$

素因数の和:1484

約数の個数: 16

約数和(自身を含む): 35154000

約数和(自身を除く): 7045895

約数列:

[1, 5, 29, 145, 149, 745, 1301, 4321, 6505, 21605, 37729, 188645, 193849, 969245, 5621621, 28108105]

約数ペア:

[(1, 28108105), (5, 5621621), (29, 969245), (145, 193849), (149, 188645), (745, 37729), (1301, 21605), (4321, 6505)]