639218352

素因数分解:

$2^4\times 3^1\times {\mathrm{13317049}}^1$

素因数の和:13317060

約数の個数: 20

約数和(自身を含む): 1651314200

約数和(自身を除く): 1012095848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13317049, 26634098, 39951147, 53268196, 79902294, 106536392, 159804588, 213072784, 319609176, 639218352]

約数ペア:

[(1, 639218352), (2, 319609176), (3, 213072784), (4, 159804588), (6, 106536392), (8, 79902294), (12, 53268196), (16, 39951147), (24, 26634098), (48, 13317049)]