199620508

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{364271}}^1$

素因数の和:364412

約数の個数: 12

約数和(自身を含む): 351886752

約数和(自身を除く): 152266244

約数列:

[1, 2, 4, 137, 274, 548, 364271, 728542, 1457084, 49905127, 99810254, 199620508]

約数ペア:

[(1, 199620508), (2, 99810254), (4, 49905127), (137, 1457084), (274, 728542), (548, 364271)]