81276952

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{79997}}^1$

素因数の和:80130

約数の個数: 16

約数和(自身を含む): 153596160

約数和(自身を除く): 72319208

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 79997, 159994, 319988, 639976, 10159619, 20319238, 40638476, 81276952]

約数ペア:

[(1, 81276952), (2, 40638476), (4, 20319238), (8, 10159619), (127, 639976), (254, 319988), (508, 159994), (1016, 79997)]