209216836

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{736679}}^1$

素因数の和:736754

約数の個数: 12

約数和(自身を含む): 371286720

約数和(自身を除く): 162069884

約数列:

[1, 2, 4, 71, 142, 284, 736679, 1473358, 2946716, 52304209, 104608418, 209216836]

約数ペア:

[(1, 209216836), (2, 104608418), (4, 52304209), (71, 2946716), (142, 1473358), (284, 736679)]