66701356

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{40771}}^1$

素因数の和:41184

約数の個数: 12

約数和(自身を含む): 117015640

約数和(自身を除く): 50314284

約数列:

[1, 2, 4, 409, 818, 1636, 40771, 81542, 163084, 16675339, 33350678, 66701356]

約数ペア:

[(1, 66701356), (2, 33350678), (4, 16675339), (409, 163084), (818, 81542), (1636, 40771)]