28279724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14947}}^1$

素因数の和:15005

約数の個数: 24

約数和(自身を含む): 55247808

約数和(自身を除く): 26968084

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 14947, 29894, 59788, 164417, 328834, 642721, 657668, 1285442, 2570884, 7069931, 14139862, 28279724]

約数ペア:

[(1, 28279724), (2, 14139862), (4, 7069931), (11, 2570884), (22, 1285442), (43, 657668), (44, 642721), (86, 328834), (172, 164417), (473, 59788), (946, 29894), (1892, 14947)]