9007988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2027}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 17375904

約数和(自身を除く): 8367916

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2027, 2222, 4054, 4444, 8108, 22297, 44594, 89188, 204727, 409454, 818908, 2251997, 4503994, 9007988]

約数ペア:

[(1, 9007988), (2, 4503994), (4, 2251997), (11, 818908), (22, 409454), (44, 204727), (101, 89188), (202, 44594), (404, 22297), (1111, 8108), (2027, 4444), (2222, 4054)]