81054256

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{22717}}^1$

素因数の和:22948

約数の個数: 20

約数和(自身を含む): 157753792

約数和(自身を除く): 76699536

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 22717, 45434, 90868, 181736, 363472, 5065891, 10131782, 20263564, 40527128, 81054256]

約数ペア:

[(1, 81054256), (2, 40527128), (4, 20263564), (8, 10131782), (16, 5065891), (223, 363472), (446, 181736), (892, 90868), (1784, 45434), (3568, 22717)]