208728044

素因数分解:

$2^2\times 7^2\times {\mathrm{1064939}}^1$

素因数の和:1064957

約数の個数: 18

約数和(自身を含む): 424911060

約数和(自身を除く): 216183016

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1064939, 2129878, 4259756, 7454573, 14909146, 29818292, 52182011, 104364022, 208728044]

約数ペア:

[(1, 208728044), (2, 104364022), (4, 52182011), (7, 29818292), (14, 14909146), (28, 7454573), (49, 4259756), (98, 2129878), (196, 1064939)]