81385784

素因数分解:

$2^3\times {\mathrm{193}}^1\times {\mathrm{52711}}^1$

素因数の和:52910

約数の個数: 16

約数和(自身を含む): 153391920

約数和(自身を除く): 72006136

約数列:

[1, 2, 4, 8, 193, 386, 772, 1544, 52711, 105422, 210844, 421688, 10173223, 20346446, 40692892, 81385784]

約数ペア:

[(1, 81385784), (2, 40692892), (4, 20346446), (8, 10173223), (193, 421688), (386, 210844), (772, 105422), (1544, 52711)]