2051208176

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1805641}}^1$

素因数の和:1805720

約数の個数: 20

約数和(自身を含む): 4030192944

約数和(自身を除く): 1978984768

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1805641, 3611282, 7222564, 14445128, 28890256, 128200511, 256401022, 512802044, 1025604088, 2051208176]

約数ペア:

[(1, 2051208176), (2, 1025604088), (4, 512802044), (8, 256401022), (16, 128200511), (71, 28890256), (142, 14445128), (284, 7222564), (568, 3611282), (1136, 1805641)]