28247525

素因数分解:

$5^2\times {\mathrm{281}}^1\times {\mathrm{4021}}^1$

素因数の和:4312

約数の個数: 12

約数和(自身を含む): 35160324

約数和(自身を除く): 6912799

約数列:

[1, 5, 25, 281, 1405, 4021, 7025, 20105, 100525, 1129901, 5649505, 28247525]

約数ペア:

[(1, 28247525), (5, 5649505), (25, 1129901), (281, 100525), (1405, 20105), (4021, 7025)]