80816866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{72287}}^1$

素因数の和:72345

約数の個数: 16

約数和(自身を含む): 133588224

約数和(自身を除く): 52771358

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 72287, 144574, 939731, 1879462, 3108341, 6216682, 40408433, 80816866]

約数ペア:

[(1, 80816866), (2, 40408433), (13, 6216682), (26, 3108341), (43, 1879462), (86, 939731), (559, 144574), (1118, 72287)]