81783128

素因数分解:

$2^3\times 7^1\times {\mathrm{1460413}}^1$

素因数の和:1460426

約数の個数: 16

約数和(自身を含む): 175249680

約数和(自身を除く): 93466552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1460413, 2920826, 5841652, 10222891, 11683304, 20445782, 40891564, 81783128]

約数ペア:

[(1, 81783128), (2, 40891564), (4, 20445782), (7, 11683304), (8, 10222891), (14, 5841652), (28, 2920826), (56, 1460413)]