201991248370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{878222819}}^1$

素因数の和:878222849

約数の個数: 16

約数和(自身を含む): 379392258240

約数和(自身を除く): 177401009870

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 878222819, 1756445638, 4391114095, 8782228190, 20199124837, 40398249674, 100995624185, 201991248370]

約数ペア:

[(1, 201991248370), (2, 100995624185), (5, 40398249674), (10, 20199124837), (23, 8782228190), (46, 4391114095), (115, 1756445638), (230, 878222819)]