28285768

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21961}}^1$

素因数の和:21997

約数の個数: 32

約数和(自身を含む): 63250560

約数和(自身を除く): 34964792

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 21961, 43922, 87844, 153727, 175688, 307454, 505103, 614908, 1010206, 1229816, 2020412, 3535721, 4040824, 7071442, 14142884, 28285768]

約数ペア:

[(1, 28285768), (2, 14142884), (4, 7071442), (7, 4040824), (8, 3535721), (14, 2020412), (23, 1229816), (28, 1010206), (46, 614908), (56, 505103), (92, 307454), (161, 175688), (184, 153727), (322, 87844), (644, 43922), (1288, 21961)]