128581255

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{139}}^2$

素因数の和:316

約数の個数: 24

約数和(自身を含む): 170945424

約数和(自身を除く): 42364169

約数列:

[1, 5, 11, 55, 121, 139, 605, 695, 1331, 1529, 6655, 7645, 16819, 19321, 84095, 96605, 185009, 212531, 925045, 1062655, 2337841, 11689205, 25716251, 128581255]

約数ペア:

[(1, 128581255), (5, 25716251), (11, 11689205), (55, 2337841), (121, 1062655), (139, 925045), (605, 212531), (695, 185009), (1331, 96605), (1529, 84095), (6655, 19321), (7645, 16819)]