81910794416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{465402241}}^1$

素因数の和:465402260

約数の個数: 20

約数和(自身を含む): 173129634024

約数和(自身を除く): 91218839608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 465402241, 930804482, 1861608964, 3723217928, 5119424651, 7446435856, 10238849302, 20477698604, 40955397208, 81910794416]

約数ペア:

[(1, 81910794416), (2, 40955397208), (4, 20477698604), (8, 10238849302), (11, 7446435856), (16, 5119424651), (22, 3723217928), (44, 1861608964), (88, 930804482), (176, 465402241)]