209898476

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{490417}}^1$

素因数の和:490528

約数の個数: 12

約数和(自身を含む): 370756008

約数和(自身を除く): 160857532

約数列:

[1, 2, 4, 107, 214, 428, 490417, 980834, 1961668, 52474619, 104949238, 209898476]

約数ペア:

[(1, 209898476), (2, 104949238), (4, 52474619), (107, 1961668), (214, 980834), (428, 490417)]