81043304

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{235591}}^1$

素因数の和:235640

約数の個数: 16

約数和(自身を含む): 155490720

約数和(自身を除く): 74447416

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 235591, 471182, 942364, 1884728, 10130413, 20260826, 40521652, 81043304]

約数ペア:

[(1, 81043304), (2, 40521652), (4, 20260826), (8, 10130413), (43, 1884728), (86, 942364), (172, 471182), (344, 235591)]