81740936

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{237619}}^1$

素因数の和:237668

約数の個数: 16

約数和(自身を含む): 156829200

約数和(自身を除く): 75088264

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 237619, 475238, 950476, 1900952, 10217617, 20435234, 40870468, 81740936]

約数ペア:

[(1, 81740936), (2, 40870468), (4, 20435234), (8, 10217617), (43, 1900952), (86, 950476), (172, 475238), (344, 237619)]