128708215

素因数分解:

$5^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:942

約数の個数: 16

約数和(自身を含む): 156119040

約数和(自身を除く): 27410825

約数列:

[1, 5, 191, 307, 439, 955, 1535, 2195, 58637, 83849, 134773, 293185, 419245, 673865, 25741643, 128708215]

約数ペア:

[(1, 128708215), (5, 25741643), (191, 673865), (307, 419245), (439, 293185), (955, 134773), (1535, 83849), (2195, 58637)]