28640778

素因数分解:

$2^1\times 3^1\times {\mathrm{859}}^1\times {\mathrm{5557}}^1$

素因数の和:6421

約数の個数: 16

約数和(自身を含む): 57358560

約数和(自身を除く): 28717782

約数列:

[1, 2, 3, 6, 859, 1718, 2577, 5154, 5557, 11114, 16671, 33342, 4773463, 9546926, 14320389, 28640778]

約数ペア:

[(1, 28640778), (2, 14320389), (3, 9546926), (6, 4773463), (859, 33342), (1718, 16671), (2577, 11114), (5154, 5557)]