39990266

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{1231}}^1$

素因数の和:1709

約数の個数: 16

約数和(自身を含む): 61797120

約数和(自身を除く): 21806854

約数列:

[1, 2, 37, 74, 439, 878, 1231, 2462, 16243, 32486, 45547, 91094, 540409, 1080818, 19995133, 39990266]

約数ペア:

[(1, 39990266), (2, 19995133), (37, 1080818), (74, 540409), (439, 91094), (878, 45547), (1231, 32486), (2462, 16243)]