398534689

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{478433}}^1$

素因数の和:478464

約数の個数: 12

約数和(自身を含む): 490873284

約数和(自身を除く): 92338595

約数列:

[1, 7, 17, 49, 119, 833, 478433, 3349031, 8133361, 23443217, 56933527, 398534689]

約数ペア:

[(1, 398534689), (7, 56933527), (17, 23443217), (49, 8133361), (119, 3349031), (833, 478433)]