81713158

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 132422400

約数和(自身を除く): 50709242

約数列:

[1, 2, 23, 43, 46, 86, 109, 218, 379, 758, 989, 1978, 2507, 4687, 5014, 8717, 9374, 16297, 17434, 32594, 41311, 82622, 107801, 215602, 374831, 749662, 950153, 1776373, 1900306, 3552746, 40856579, 81713158]

約数ペア:

[(1, 81713158), (2, 40856579), (23, 3552746), (43, 1900306), (46, 1776373), (86, 950153), (109, 749662), (218, 374831), (379, 215602), (758, 107801), (989, 82622), (1978, 41311), (2507, 32594), (4687, 17434), (5014, 16297), (8717, 9374)]