389976304

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{343289}}^1$

素因数の和:343368

約数の個数: 20

約数和(自身を含む): 766223280

約数和(自身を除く): 376246976

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 343289, 686578, 1373156, 2746312, 5492624, 24373519, 48747038, 97494076, 194988152, 389976304]

約数ペア:

[(1, 389976304), (2, 194988152), (4, 97494076), (8, 48747038), (16, 24373519), (71, 5492624), (142, 2746312), (284, 1373156), (568, 686578), (1136, 343289)]