28396166

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:1027

約数の個数: 16

約数和(自身を含む): 43400448

約数和(自身を除く): 15004282

約数列:

[1, 2, 71, 142, 311, 622, 643, 1286, 22081, 44162, 45653, 91306, 199973, 399946, 14198083, 28396166]

約数ペア:

[(1, 28396166), (2, 14198083), (71, 399946), (142, 199973), (311, 91306), (622, 45653), (643, 44162), (1286, 22081)]