28281659

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5527}}^1$

素因数の和:5594

約数の個数: 16

約数和(自身を含む): 35025408

約数和(自身を除く): 6743749

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 5527, 38689, 93959, 237661, 657713, 1663627, 4040237, 28281659]

約数ペア:

[(1, 28281659), (7, 4040237), (17, 1663627), (43, 657713), (119, 237661), (301, 93959), (731, 38689), (5117, 5527)]