211229396

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{12109}}^1$

素因数の和:12216

約数の個数: 36

約数和(自身を含む): 434870100

約数和(自身を除く): 223640704

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1246, 2492, 4361, 8722, 12109, 17444, 24218, 48436, 84763, 169526, 339052, 593341, 1077701, 1186682, 2155402, 2373364, 4310804, 7543907, 15087814, 30175628, 52807349, 105614698, 211229396]

約数ペア:

[(1, 211229396), (2, 105614698), (4, 52807349), (7, 30175628), (14, 15087814), (28, 7543907), (49, 4310804), (89, 2373364), (98, 2155402), (178, 1186682), (196, 1077701), (356, 593341), (623, 339052), (1246, 169526), (2492, 84763), (4361, 48436), (8722, 24218), (12109, 17444)]