12857521805

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1\times {\mathrm{67421}}^1$

素因数の和:68356

約数の個数: 16

約数和(自身を含む): 15805874304

約数和(自身を除く): 2948352499

約数列:

[1, 5, 43, 215, 887, 4435, 38141, 67421, 190705, 337105, 2899103, 14495515, 59802427, 299012135, 2571504361, 12857521805]

約数ペア:

[(1, 12857521805), (5, 2571504361), (43, 299012135), (215, 59802427), (887, 14495515), (4435, 2899103), (38141, 337105), (67421, 190705)]