28478884

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{4561}}^1$

素因数の和:4795

約数の個数: 24

約数和(自身を含む): 57225728

約数和(自身を除く): 28746844

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 4561, 6244, 9122, 18244, 31927, 63854, 127708, 1017103, 2034206, 4068412, 7119721, 14239442, 28478884]

約数ペア:

[(1, 28478884), (2, 14239442), (4, 7119721), (7, 4068412), (14, 2034206), (28, 1017103), (223, 127708), (446, 63854), (892, 31927), (1561, 18244), (3122, 9122), (4561, 6244)]