81815525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{10259}}^1$

素因数の和:10309

約数の個数: 24

約数和(自身を含む): 114501600

約数和(自身を除く): 32686075

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 7975, 10259, 51295, 112849, 256475, 297511, 564245, 1487555, 2821225, 3272621, 7437775, 16363105, 81815525]

約数ペア:

[(1, 81815525), (5, 16363105), (11, 7437775), (25, 3272621), (29, 2821225), (55, 1487555), (145, 564245), (275, 297511), (319, 256475), (725, 112849), (1595, 51295), (7975, 10259)]