28280714

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{449}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 53136000

約数和(自身を除く): 24855286

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 409, 449, 818, 898, 2863, 3143, 4499, 4939, 5726, 6286, 8998, 9878, 31493, 34573, 62986, 69146, 183641, 367282, 1285487, 2020051, 2570974, 4040102, 14140357, 28280714]

約数ペア:

[(1, 28280714), (2, 14140357), (7, 4040102), (11, 2570974), (14, 2020051), (22, 1285487), (77, 367282), (154, 183641), (409, 69146), (449, 62986), (818, 34573), (898, 31493), (2863, 9878), (3143, 8998), (4499, 6286), (4939, 5726)]