28256525

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{9341}}^1$

素因数の和:9373

約数の個数: 18

約数和(自身を含む): 38517066

約数和(自身を除く): 10260541

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 9341, 46705, 102751, 233525, 513755, 1130261, 2568775, 5651305, 28256525]

約数ペア:

[(1, 28256525), (5, 5651305), (11, 2568775), (25, 1130261), (55, 513755), (121, 233525), (275, 102751), (605, 46705), (3025, 9341)]