638990736

素因数分解:

$2^4\times 3^1\times {\mathrm{13312307}}^1$

素因数の和:13312318

約数の個数: 20

約数和(自身を含む): 1650726192

約数和(自身を除く): 1011735456

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13312307, 26624614, 39936921, 53249228, 79873842, 106498456, 159747684, 212996912, 319495368, 638990736]

約数ペア:

[(1, 638990736), (2, 319495368), (3, 212996912), (4, 159747684), (6, 106498456), (8, 79873842), (12, 53249228), (16, 39936921), (24, 26624614), (48, 13312307)]