128260478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{809}}^1\times {\mathrm{4663}}^1$

素因数の和:5491

約数の個数: 16

約数和(自身を含む): 204003360

約数和(自身を除く): 75742882

約数列:

[1, 2, 17, 34, 809, 1618, 4663, 9326, 13753, 27506, 79271, 158542, 3772367, 7544734, 64130239, 128260478]

約数ペア:

[(1, 128260478), (2, 64130239), (17, 7544734), (34, 3772367), (809, 158542), (1618, 79271), (4663, 27506), (9326, 13753)]