28303812

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{7213}}^1$

素因数の和:7332

約数の個数: 36

約数和(自身を含む): 72212140

約数和(自身を除く): 43908328

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 7213, 14426, 21639, 28852, 43278, 64917, 86556, 129834, 259668, 786217, 1572434, 2358651, 3144868, 4717302, 7075953, 9434604, 14151906, 28303812]

約数ペア:

[(1, 28303812), (2, 14151906), (3, 9434604), (4, 7075953), (6, 4717302), (9, 3144868), (12, 2358651), (18, 1572434), (36, 786217), (109, 259668), (218, 129834), (327, 86556), (436, 64917), (654, 43278), (981, 28852), (1308, 21639), (1962, 14426), (3924, 7213)]