28543963

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 33894400

約数和(自身を除く): 5350437

約数列:

[1, 7, 31, 199, 217, 661, 1393, 4627, 6169, 20491, 43183, 131539, 143437, 920773, 4077709, 28543963]

約数ペア:

[(1, 28543963), (7, 4077709), (31, 920773), (199, 143437), (217, 131539), (661, 43183), (1393, 20491), (4627, 6169)]