668560912

素因数分解:

$2^4\times {\mathrm{2591}}^1\times {\mathrm{16127}}^1$

素因数の和:18726

約数の個数: 20

約数和(自身を含む): 1295917056

約数和(自身を除く): 627356144

約数列:

[1, 2, 4, 8, 16, 2591, 5182, 10364, 16127, 20728, 32254, 41456, 64508, 129016, 258032, 41785057, 83570114, 167140228, 334280456, 668560912]

約数ペア:

[(1, 668560912), (2, 334280456), (4, 167140228), (8, 83570114), (16, 41785057), (2591, 258032), (5182, 129016), (10364, 64508), (16127, 41456), (20728, 32254)]