81313508

素因数分解:

$2^2\times {\mathrm{4457}}^1\times {\mathrm{4561}}^1$

素因数の和:9022

約数の個数: 12

約数和(自身を含む): 142361772

約数和(自身を除く): 61048264

約数列:

[1, 2, 4, 4457, 4561, 8914, 9122, 17828, 18244, 20328377, 40656754, 81313508]

約数ペア:

[(1, 81313508), (2, 40656754), (4, 20328377), (4457, 18244), (4561, 17828), (8914, 9122)]