213618724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{441361}}^1$

素因数の和:441387

約数の個数: 18

約数和(自身を含む): 410908022

約数和(自身を除く): 197289298

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 441361, 882722, 1765444, 4854971, 9709942, 19419884, 53404681, 106809362, 213618724]

約数ペア:

[(1, 213618724), (2, 106809362), (4, 53404681), (11, 19419884), (22, 9709942), (44, 4854971), (121, 1765444), (242, 882722), (484, 441361)]