81348776

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{236479}}^1$

素因数の和:236528

約数の個数: 16

約数和(自身を含む): 156076800

約数和(自身を除く): 74728024

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 236479, 472958, 945916, 1891832, 10168597, 20337194, 40674388, 81348776]

約数ペア:

[(1, 81348776), (2, 40674388), (4, 20337194), (8, 10168597), (43, 1891832), (86, 945916), (172, 472958), (344, 236479)]