81609958

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{6827}}^1$

素因数の和:7011

約数の個数: 16

約数和(自身を含む): 126181440

約数和(自身を除く): 44571482

約数列:

[1, 2, 43, 86, 139, 278, 5977, 6827, 11954, 13654, 293561, 587122, 948953, 1897906, 40804979, 81609958]

約数ペア:

[(1, 81609958), (2, 40804979), (43, 1897906), (86, 948953), (139, 587122), (278, 293561), (5977, 13654), (6827, 11954)]