28154819

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{6899}}^1$

素因数の和:6970

約数の個数: 16

約数和(自身を含む): 35769600

約数和(自身を除く): 7614781

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 6899, 48293, 75889, 365647, 531223, 2559529, 4022117, 28154819]

約数ペア:

[(1, 28154819), (7, 4022117), (11, 2559529), (53, 531223), (77, 365647), (371, 75889), (583, 48293), (4081, 6899)]