381640904

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{671903}}^1$

素因数の和:671980

約数の個数: 16

約数和(自身を含む): 725656320

約数和(自身を除く): 344015416

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 671903, 1343806, 2687612, 5375224, 47705113, 95410226, 190820452, 381640904]

約数ペア:

[(1, 381640904), (2, 190820452), (4, 95410226), (8, 47705113), (71, 5375224), (142, 2687612), (284, 1343806), (568, 671903)]