219297197

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{43451}}^1$

素因数の和:43568

約数の個数: 12

約数和(自身を含む): 257583456

約数和(自身を除く): 38286259

約数列:

[1, 7, 49, 103, 721, 5047, 43451, 304157, 2129099, 4475453, 31328171, 219297197]

約数ペア:

[(1, 219297197), (7, 31328171), (49, 4475453), (103, 2129099), (721, 304157), (5047, 43451)]