81738256

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{124601}}^1$

素因数の和:124650

約数の個数: 20

約数和(自身を含む): 162231804

約数和(自身を除く): 80493548

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 124601, 249202, 498404, 996808, 1993616, 5108641, 10217282, 20434564, 40869128, 81738256]

約数ペア:

[(1, 81738256), (2, 40869128), (4, 20434564), (8, 10217282), (16, 5108641), (41, 1993616), (82, 996808), (164, 498404), (328, 249202), (656, 124601)]