81635672

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{237313}}^1$

素因数の和:237362

約数の個数: 16

約数和(自身を含む): 156627240

約数和(自身を除く): 74991568

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 237313, 474626, 949252, 1898504, 10204459, 20408918, 40817836, 81635672]

約数ペア:

[(1, 81635672), (2, 40817836), (4, 20408918), (8, 10204459), (43, 1898504), (86, 949252), (172, 474626), (344, 237313)]