81538696

素因数分解:

$2^3\times {\mathrm{2531}}^1\times {\mathrm{4027}}^1$

素因数の和:6564

約数の個数: 16

約数和(自身を含む): 152983440

約数和(自身を除く): 71444744

約数列:

[1, 2, 4, 8, 2531, 4027, 5062, 8054, 10124, 16108, 20248, 32216, 10192337, 20384674, 40769348, 81538696]

約数ペア:

[(1, 81538696), (2, 40769348), (4, 20384674), (8, 10192337), (2531, 32216), (4027, 20248), (5062, 16108), (8054, 10124)]