28772891

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5623}}^1$

素因数の和:5690

約数の個数: 16

約数和(自身を含む): 35633664

約数和(自身を除く): 6860773

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 5623, 39361, 95591, 241789, 669137, 1692523, 4110413, 28772891]

約数ペア:

[(1, 28772891), (7, 4110413), (17, 1692523), (43, 669137), (119, 241789), (301, 95591), (731, 39361), (5117, 5623)]