25663984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{84421}}^1$

素因数の和:84448

約数の個数: 20

約数和(自身を含む): 52341640

約数和(自身を除く): 26677656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 84421, 168842, 337684, 675368, 1350736, 1603999, 3207998, 6415996, 12831992, 25663984]

約数ペア:

[(1, 25663984), (2, 12831992), (4, 6415996), (8, 3207998), (16, 1603999), (19, 1350736), (38, 675368), (76, 337684), (152, 168842), (304, 84421)]