81156556856

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{247428527}}^1$

素因数の和:247428574

約数の個数: 16

約数和(自身を含む): 155879972640

約数和(自身を除く): 74723415784

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 247428527, 494857054, 989714108, 1979428216, 10144569607, 20289139214, 40578278428, 81156556856]

約数ペア:

[(1, 81156556856), (2, 40578278428), (4, 20289139214), (8, 10144569607), (41, 1979428216), (82, 989714108), (164, 494857054), (328, 247428527)]