11218870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 21903840

約数和(自身を除く): 10684970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 409, 422, 818, 1055, 2045, 2110, 2743, 4090, 5317, 5486, 10634, 13715, 26585, 27430, 53170, 86299, 172598, 431495, 862990, 1121887, 2243774, 5609435, 11218870]

約数ペア:

[(1, 11218870), (2, 5609435), (5, 2243774), (10, 1121887), (13, 862990), (26, 431495), (65, 172598), (130, 86299), (211, 53170), (409, 27430), (422, 26585), (818, 13715), (1055, 10634), (2045, 5486), (2110, 5317), (2743, 4090)]