67280423

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2089}}^1$

素因数の和:2246

約数の個数: 16

約数和(自身を含む): 79453440

約数和(自身を除く): 12173017

約数列:

[1, 7, 43, 107, 301, 749, 2089, 4601, 14623, 32207, 89827, 223523, 628789, 1564661, 9611489, 67280423]

約数ペア:

[(1, 67280423), (7, 9611489), (43, 1564661), (107, 628789), (301, 223523), (749, 89827), (2089, 32207), (4601, 14623)]