28858907

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2861}}^1$

素因数の和:3010

約数の個数: 16

約数和(自身を含む): 36267264

約数和(自身を除く): 7408357

約数列:

[1, 7, 11, 77, 131, 917, 1441, 2861, 10087, 20027, 31471, 220297, 374791, 2623537, 4122701, 28858907]

約数ペア:

[(1, 28858907), (7, 4122701), (11, 2623537), (77, 374791), (131, 220297), (917, 31471), (1441, 20027), (2861, 10087)]