220199759

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^2$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 265461840

約数和(自身を除く): 45262081

約数列:

[1, 13, 17, 19, 221, 229, 247, 323, 2977, 3893, 4199, 4351, 50609, 52441, 56563, 73967, 681733, 891497, 961571, 996379, 11589461, 12952927, 16938443, 220199759]

約数ペア:

[(1, 220199759), (13, 16938443), (17, 12952927), (19, 11589461), (221, 996379), (229, 961571), (247, 891497), (323, 681733), (2977, 73967), (3893, 56563), (4199, 52441), (4351, 50609)]