81663794

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{7477}}^1$

素因数の和:7649

約数の個数: 16

約数和(自身を含む): 126348288

約数和(自身を除く): 44684494

約数列:

[1, 2, 43, 86, 127, 254, 5461, 7477, 10922, 14954, 321511, 643022, 949579, 1899158, 40831897, 81663794]

約数ペア:

[(1, 81663794), (2, 40831897), (43, 1899158), (86, 949579), (127, 643022), (254, 321511), (5461, 14954), (7477, 10922)]