81612436

素因数分解:

$2^2\times {\mathrm{431}}^1\times {\mathrm{47339}}^1$

素因数の和:47774

約数の個数: 12

約数和(自身を含む): 143156160

約数和(自身を除く): 61543724

約数列:

[1, 2, 4, 431, 862, 1724, 47339, 94678, 189356, 20403109, 40806218, 81612436]

約数ペア:

[(1, 81612436), (2, 40806218), (4, 20403109), (431, 189356), (862, 94678), (1724, 47339)]