57205775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{18911}}^1$

素因数の和:18943

約数の個数: 18

約数和(自身を含む): 77974176

約数和(自身を除く): 20768401

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 18911, 94555, 208021, 472775, 1040105, 2288231, 5200525, 11441155, 57205775]

約数ペア:

[(1, 57205775), (5, 11441155), (11, 5200525), (25, 2288231), (55, 1040105), (121, 472775), (275, 208021), (605, 94555), (3025, 18911)]