209175316

素因数分解:

$2^2\times 7^2\times {\mathrm{1067221}}^1$

素因数の和:1067239

約数の個数: 18

約数和(自身を含む): 425821578

約数和(自身を除く): 216646262

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1067221, 2134442, 4268884, 7470547, 14941094, 29882188, 52293829, 104587658, 209175316]

約数ペア:

[(1, 209175316), (2, 104587658), (4, 52293829), (7, 29882188), (14, 14941094), (28, 7470547), (49, 4268884), (98, 2134442), (196, 1067221)]