81251176

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{247717}}^1$

素因数の和:247764

約数の個数: 16

約数和(自身を含む): 156062340

約数和(自身を除く): 74811164

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 247717, 495434, 990868, 1981736, 10156397, 20312794, 40625588, 81251176]

約数ペア:

[(1, 81251176), (2, 40625588), (4, 20312794), (8, 10156397), (41, 1981736), (82, 990868), (164, 495434), (328, 247717)]