209940584

素因数分解:

$2^3\times 7^1\times {\mathrm{3748939}}^1$

素因数の和:3748952

約数の個数: 16

約数和(自身を含む): 449872800

約数和(自身を除く): 239932216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3748939, 7497878, 14995756, 26242573, 29991512, 52485146, 104970292, 209940584]

約数ペア:

[(1, 209940584), (2, 104970292), (4, 52485146), (7, 29991512), (8, 26242573), (14, 14995756), (28, 7497878), (56, 3748939)]