81161728

素因数分解:

$2^9\times {\mathrm{158519}}^1$

素因数の和:158537

約数の個数: 20

約数和(自身を含む): 162165960

約数和(自身を除く): 81004232

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 158519, 317038, 634076, 1268152, 2536304, 5072608, 10145216, 20290432, 40580864, 81161728]

約数ペア:

[(1, 81161728), (2, 40580864), (4, 20290432), (8, 10145216), (16, 5072608), (32, 2536304), (64, 1268152), (128, 634076), (256, 317038), (512, 158519)]