51868336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{249367}}^1$

素因数の和:249388

約数の個数: 20

約数和(自身を含む): 108225712

約数和(自身を除く): 56357376

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 249367, 498734, 997468, 1994936, 3241771, 3989872, 6483542, 12967084, 25934168, 51868336]

約数ペア:

[(1, 51868336), (2, 25934168), (4, 12967084), (8, 6483542), (13, 3989872), (16, 3241771), (26, 1994936), (52, 997468), (104, 498734), (208, 249367)]