678685514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{85027}}^1$

素因数の和:85349

約数の個数: 16

約数和(自身を含む): 1099922208

約数和(自身を除く): 421236694

約数列:

[1, 2, 13, 26, 307, 614, 3991, 7982, 85027, 170054, 1105351, 2210702, 26103289, 52206578, 339342757, 678685514]

約数ペア:

[(1, 678685514), (2, 339342757), (13, 52206578), (26, 26103289), (307, 2210702), (614, 1105351), (3991, 170054), (7982, 85027)]