129142456

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{393727}}^1$

素因数の和:393774

約数の個数: 16

約数和(自身を含む): 248048640

約数和(自身を除く): 118906184

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 393727, 787454, 1574908, 3149816, 16142807, 32285614, 64571228, 129142456]

約数ペア:

[(1, 129142456), (2, 64571228), (4, 32285614), (8, 16142807), (41, 3149816), (82, 1574908), (164, 787454), (328, 393727)]