81078256

素因数分解:

$2^4\times 7^1\times {\mathrm{723913}}^1$

素因数の和:723928

約数の個数: 20

約数和(自身を含む): 179530672

約数和(自身を除く): 98452416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 723913, 1447826, 2895652, 5067391, 5791304, 10134782, 11582608, 20269564, 40539128, 81078256]

約数ペア:

[(1, 81078256), (2, 40539128), (4, 20269564), (7, 11582608), (8, 10134782), (14, 5791304), (16, 5067391), (28, 2895652), (56, 1447826), (112, 723913)]