208720876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{573409}}^1$

素因数の和:573433

約数の個数: 24

約数和(自身を含む): 449553440

約数和(自身を除く): 240832564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 573409, 1146818, 2293636, 4013863, 7454317, 8027726, 14908634, 16055452, 29817268, 52180219, 104360438, 208720876]

約数ペア:

[(1, 208720876), (2, 104360438), (4, 52180219), (7, 29817268), (13, 16055452), (14, 14908634), (26, 8027726), (28, 7454317), (52, 4013863), (91, 2293636), (182, 1146818), (364, 573409)]