28339955

素因数分解:

$5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3631}}^1$

素因数の和:3866

約数の個数: 16

約数和(自身を含む): 39051264

約数和(自身を除く): 10711309

約数列:

[1, 5, 7, 35, 223, 1115, 1561, 3631, 7805, 18155, 25417, 127085, 809713, 4048565, 5667991, 28339955]

約数ペア:

[(1, 28339955), (5, 5667991), (7, 4048565), (35, 809713), (223, 127085), (1115, 25417), (1561, 18155), (3631, 7805)]