81542168

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{139627}}^1$

素因数の和:139706

約数の個数: 16

約数和(自身を含む): 154987080

約数和(自身を除く): 73444912

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 139627, 279254, 558508, 1117016, 10192771, 20385542, 40771084, 81542168]

約数ペア:

[(1, 81542168), (2, 40771084), (4, 20385542), (8, 10192771), (73, 1117016), (146, 558508), (292, 279254), (584, 139627)]