81642466

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{55843}}^1$

素因数の和:55905

約数の個数: 16

約数和(自身を含む): 132685344

約数和(自身を除く): 51042878

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 55843, 111686, 949331, 1898662, 2401249, 4802498, 40821233, 81642466]

約数ペア:

[(1, 81642466), (2, 40821233), (17, 4802498), (34, 2401249), (43, 1898662), (86, 949331), (731, 111686), (1462, 55843)]