28554239

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 33561600

約数和(自身を除く): 5007361

約数列:

[1, 7, 47, 229, 329, 379, 1603, 2653, 10763, 17813, 75341, 86791, 124691, 607537, 4079177, 28554239]

約数ペア:

[(1, 28554239), (7, 4079177), (47, 607537), (229, 124691), (329, 86791), (379, 75341), (1603, 17813), (2653, 10763)]