205656530

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{478271}}^1$

素因数の和:478321

約数の個数: 16

約数和(自身を含む): 378791424

約数和(自身を除く): 173134894

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 478271, 956542, 2391355, 4782710, 20565653, 41131306, 102828265, 205656530]

約数ペア:

[(1, 205656530), (2, 102828265), (5, 41131306), (10, 20565653), (43, 4782710), (86, 2391355), (215, 956542), (430, 478271)]