78727216

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{120011}}^1$

素因数の和:120060

約数の個数: 20

約数和(自身を含む): 156255624

約数和(自身を除く): 77528408

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 120011, 240022, 480044, 960088, 1920176, 4920451, 9840902, 19681804, 39363608, 78727216]

約数ペア:

[(1, 78727216), (2, 39363608), (4, 19681804), (8, 9840902), (16, 4920451), (41, 1920176), (82, 960088), (164, 480044), (328, 240022), (656, 120011)]