220386719

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53453}}^1$

素因数の和:53510

約数の個数: 16

約数和(自身を含む): 273684480

約数和(自身を除く): 53297761

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 53453, 374171, 1015607, 1657043, 7109249, 11599301, 31483817, 220386719]

約数ペア:

[(1, 220386719), (7, 31483817), (19, 11599301), (31, 7109249), (133, 1657043), (217, 1015607), (589, 374171), (4123, 53453)]