218216404

素因数分解:

$2^2\times 7^2\times {\mathrm{1113349}}^1$

素因数の和:1113367

約数の個数: 18

約数和(自身を含む): 444226650

約数和(自身を除く): 226010246

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1113349, 2226698, 4453396, 7793443, 15586886, 31173772, 54554101, 109108202, 218216404]

約数ペア:

[(1, 218216404), (2, 109108202), (4, 54554101), (7, 31173772), (14, 15586886), (28, 7793443), (49, 4453396), (98, 2226698), (196, 1113349)]