219788908

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{504103}}^1$

素因数の和:504216

約数の個数: 12

約数和(自身を含む): 388160080

約数和(自身を除く): 168371172

約数列:

[1, 2, 4, 109, 218, 436, 504103, 1008206, 2016412, 54947227, 109894454, 219788908]

約数ペア:

[(1, 219788908), (2, 109894454), (4, 54947227), (109, 2016412), (218, 1008206), (436, 504103)]