128771209

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{15241}}^1$

素因数の和:15336

約数の個数: 16

約数和(自身を含む): 158029056

約数和(自身を除く): 29257847

約数列:

[1, 7, 17, 71, 119, 497, 1207, 8449, 15241, 106687, 259097, 1082111, 1813679, 7574777, 18395887, 128771209]

約数ペア:

[(1, 128771209), (7, 18395887), (17, 7574777), (71, 1813679), (119, 1082111), (497, 259097), (1207, 106687), (8449, 15241)]