65645525

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{21701}}^1$

素因数の和:21733

約数の個数: 18

約数和(自身を含む): 89477346

約数和(自身を除く): 23831821

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 21701, 108505, 238711, 542525, 1193555, 2625821, 5967775, 13129105, 65645525]

約数ペア:

[(1, 65645525), (5, 13129105), (11, 5967775), (25, 2625821), (55, 1193555), (121, 542525), (275, 238711), (605, 108505), (3025, 21701)]