81045016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1531}}^1$

素因数の和:2059

約数の個数: 32

約数和(自身を含む): 164077200

約数和(自身を除く): 83032184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 509, 1018, 1531, 2036, 3062, 4072, 6124, 6617, 12248, 13234, 19903, 26468, 39806, 52936, 79612, 159224, 779279, 1558558, 3117116, 6234232, 10130627, 20261254, 40522508, 81045016]

約数ペア:

[(1, 81045016), (2, 40522508), (4, 20261254), (8, 10130627), (13, 6234232), (26, 3117116), (52, 1558558), (104, 779279), (509, 159224), (1018, 79612), (1531, 52936), (2036, 39806), (3062, 26468), (4072, 19903), (6124, 13234), (6617, 12248)]