28289443

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1061}}^1$

素因数の和:1374

約数の個数: 16

約数和(自身を含む): 34969536

約数和(自身を除く): 6680093

約数列:

[1, 7, 13, 91, 293, 1061, 2051, 3809, 7427, 13793, 26663, 96551, 310873, 2176111, 4041349, 28289443]

約数ペア:

[(1, 28289443), (7, 4041349), (13, 2176111), (91, 310873), (293, 96551), (1061, 26663), (2051, 13793), (3809, 7427)]