209220557

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{4721}}^1$

素因数の和:5228

約数の個数: 16

約数和(自身を含む): 258085632

約数和(自身を除く): 48865075

約数列:

[1, 7, 13, 91, 487, 3409, 4721, 6331, 33047, 44317, 61373, 429611, 2299127, 16093889, 29888651, 209220557]

約数ペア:

[(1, 209220557), (7, 29888651), (13, 16093889), (91, 2299127), (487, 429611), (3409, 61373), (4721, 44317), (6331, 33047)]