218655894

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1\times {\mathrm{2293}}^1$

素因数の和:3012

約数の個数: 32

約数和(自身を含む): 457185024

約数和(自身を除く): 238529130

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 691, 1382, 2073, 2293, 4146, 4586, 6879, 13758, 15893, 31786, 47679, 52739, 95358, 105478, 158217, 316434, 1584463, 3168926, 4753389, 9506778, 36442649, 72885298, 109327947, 218655894]

約数ペア:

[(1, 218655894), (2, 109327947), (3, 72885298), (6, 36442649), (23, 9506778), (46, 4753389), (69, 3168926), (138, 1584463), (691, 316434), (1382, 158217), (2073, 105478), (2293, 95358), (4146, 52739), (4586, 47679), (6879, 31786), (13758, 15893)]