399190927681

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{8791009}}^1$

素因数の和:8791528

約数の個数: 16

約数和(自身を含む): 492296560000

約数和(自身を除く): 93105632319

約数列:

[1, 7, 13, 91, 499, 3493, 6487, 45409, 8791009, 61537063, 114283117, 799981819, 4386713491, 30706994437, 57027275383, 399190927681]

約数ペア:

[(1, 399190927681), (7, 57027275383), (13, 30706994437), (91, 4386713491), (499, 799981819), (3493, 114283117), (6487, 61537063), (45409, 8791009)]