28206310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23311}}^1$

素因数の和:23340

約数の個数: 24

約数和(自身を含む): 55808928

約数和(自身を除く): 27602618

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 23311, 46622, 116555, 233110, 256421, 512842, 1282105, 2564210, 2820631, 5641262, 14103155, 28206310]

約数ペア:

[(1, 28206310), (2, 14103155), (5, 5641262), (10, 2820631), (11, 2564210), (22, 1282105), (55, 512842), (110, 256421), (121, 233110), (242, 116555), (605, 46622), (1210, 23311)]