28520525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2803}}^1$

素因数の和:2861

約数の個数: 24

約数和(自身を含む): 39637344

約数和(自身を除く): 11116819

約数列:

[1, 5, 11, 25, 37, 55, 185, 275, 407, 925, 2035, 2803, 10175, 14015, 30833, 70075, 103711, 154165, 518555, 770825, 1140821, 2592775, 5704105, 28520525]

約数ペア:

[(1, 28520525), (5, 5704105), (11, 2592775), (25, 1140821), (37, 770825), (55, 518555), (185, 154165), (275, 103711), (407, 70075), (925, 30833), (2035, 14015), (2803, 10175)]