28085785

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3631}}^1$

素因数の和:3673

約数の個数: 32

約数和(自身を含む): 43932672

約数和(自身を除く): 15846887

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 3631, 7735, 18155, 25417, 47203, 61727, 127085, 236015, 308635, 330421, 432089, 802451, 1652105, 2160445, 4012255, 5617157, 28085785]

約数ペア:

[(1, 28085785), (5, 5617157), (7, 4012255), (13, 2160445), (17, 1652105), (35, 802451), (65, 432089), (85, 330421), (91, 308635), (119, 236015), (221, 127085), (455, 61727), (595, 47203), (1105, 25417), (1547, 18155), (3631, 7735)]