648156678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8309701}}^1$

素因数の和:8309719

約数の個数: 16

約数和(自身を含む): 1396029936

約数和(自身を除く): 747873258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 8309701, 16619402, 24929103, 49858206, 108026113, 216052226, 324078339, 648156678]

約数ペア:

[(1, 648156678), (2, 324078339), (3, 216052226), (6, 108026113), (13, 49858206), (26, 24929103), (39, 16619402), (78, 8309701)]