211315852

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{431}}^1\times {\mathrm{1013}}^1$

素因数の和:1470

約数の個数: 36

約数和(自身を含む): 407822688

約数和(自身を除く): 196506836

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 431, 484, 862, 1013, 1724, 2026, 4052, 4741, 9482, 11143, 18964, 22286, 44572, 52151, 104302, 122573, 208604, 245146, 436603, 490292, 873206, 1746412, 4802633, 9605266, 19210532, 52828963, 105657926, 211315852]

約数ペア:

[(1, 211315852), (2, 105657926), (4, 52828963), (11, 19210532), (22, 9605266), (44, 4802633), (121, 1746412), (242, 873206), (431, 490292), (484, 436603), (862, 245146), (1013, 208604), (1724, 122573), (2026, 104302), (4052, 52151), (4741, 44572), (9482, 22286), (11143, 18964)]