218691248

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{132701}}^1$

素因数の和:132812

約数の個数: 20

約数和(自身を含む): 427831248

約数和(自身を除く): 209140000

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 132701, 265402, 530804, 1061608, 2123216, 13668203, 27336406, 54672812, 109345624, 218691248]

約数ペア:

[(1, 218691248), (2, 109345624), (4, 54672812), (8, 27336406), (16, 13668203), (103, 2123216), (206, 1061608), (412, 530804), (824, 265402), (1648, 132701)]