639275622

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1500647}}^1$

素因数の和:1500723

約数の個数: 16

約数和(自身を含む): 1296559872

約数和(自身を除く): 657284250

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 1500647, 3001294, 4501941, 9003882, 106545937, 213091874, 319637811, 639275622]

約数ペア:

[(1, 639275622), (2, 319637811), (3, 213091874), (6, 106545937), (71, 9003882), (142, 4501941), (213, 3001294), (426, 1500647)]