289323307

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73939}}^1$

素因数の和:74002

約数の個数: 16

約数和(自身を含む): 364376320

約数和(自身を除く): 75053013

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 73939, 517573, 961207, 3179377, 6728449, 22255639, 41331901, 289323307]

約数ペア:

[(1, 289323307), (7, 41331901), (13, 22255639), (43, 6728449), (91, 3179377), (301, 961207), (559, 517573), (3913, 73939)]