219304547

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{406873}}^1$

素因数の和:406898

約数の個数: 12

約数和(自身を含む): 278301816

約数和(自身を除く): 58997269

約数列:

[1, 7, 11, 49, 77, 539, 406873, 2848111, 4475603, 19936777, 31329221, 219304547]

約数ペア:

[(1, 219304547), (7, 31329221), (11, 19936777), (49, 4475603), (77, 2848111), (539, 406873)]