206957212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{671939}}^1$

素因数の和:671961

約数の個数: 24

約数和(自身を含む): 451543680

約数和(自身を除く): 244586468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 671939, 1343878, 2687756, 4703573, 7391329, 9407146, 14782658, 18814292, 29565316, 51739303, 103478606, 206957212]

約数ペア:

[(1, 206957212), (2, 103478606), (4, 51739303), (7, 29565316), (11, 18814292), (14, 14782658), (22, 9407146), (28, 7391329), (44, 4703573), (77, 2687756), (154, 1343878), (308, 671939)]