28112004

素因数分解:

$2^2\times 3^2\times {\mathrm{780889}}^1$

素因数の和:780899

約数の個数: 18

約数和(自身を含む): 71060990

約数和(自身を除く): 42948986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 780889, 1561778, 2342667, 3123556, 4685334, 7028001, 9370668, 14056002, 28112004]

約数ペア:

[(1, 28112004), (2, 14056002), (3, 9370668), (4, 7028001), (6, 4685334), (9, 3123556), (12, 2342667), (18, 1561778), (36, 780889)]