204640816

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{154097}}^1$

素因数の和:154188

約数の個数: 20

約数和(自身を含む): 401271192

約数和(自身を除く): 196630376

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 154097, 308194, 616388, 1232776, 2465552, 12790051, 25580102, 51160204, 102320408, 204640816]

約数ペア:

[(1, 204640816), (2, 102320408), (4, 51160204), (8, 25580102), (16, 12790051), (83, 2465552), (166, 1232776), (332, 616388), (664, 308194), (1328, 154097)]