1969131865

素因数分解:

$5^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1\times {\mathrm{1997}}^1$

素因数の和:3192

約数の個数: 16

約数和(自身を含む): 2378419200

約数和(自身を除く): 409287335

約数列:

[1, 5, 199, 991, 995, 1997, 4955, 9985, 197209, 397403, 986045, 1979027, 1987015, 9895135, 393826373, 1969131865]

約数ペア:

[(1, 1969131865), (5, 393826373), (199, 9895135), (991, 1987015), (995, 1979027), (1997, 986045), (4955, 397403), (9985, 197209)]