81236876

素因数分解:

$2^2\times 7^1\times {\mathrm{2901317}}^1$

素因数の和:2901328

約数の個数: 12

約数和(自身を含む): 162473808

約数和(自身を除く): 81236932

約数列:

[1, 2, 4, 7, 14, 28, 2901317, 5802634, 11605268, 20309219, 40618438, 81236876]

約数ペア:

[(1, 81236876), (2, 40618438), (4, 20309219), (7, 11605268), (14, 5802634), (28, 2901317)]