639613866

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1501441}}^1$

素因数の和:1501517

約数の個数: 16

約数和(自身を含む): 1297245888

約数和(自身を除く): 657632022

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 1501441, 3002882, 4504323, 9008646, 106602311, 213204622, 319806933, 639613866]

約数ペア:

[(1, 639613866), (2, 319806933), (3, 213204622), (6, 106602311), (71, 9008646), (142, 4504323), (213, 3002882), (426, 1501441)]