289719188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{90199}}^1$

素因数の和:90287

約数の個数: 24

約数和(自身を含む): 560683200

約数和(自身を除く): 270964012

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 90199, 180398, 360796, 992189, 1984378, 3968756, 6584527, 13169054, 26338108, 72429797, 144859594, 289719188]

約数ペア:

[(1, 289719188), (2, 144859594), (4, 72429797), (11, 26338108), (22, 13169054), (44, 6584527), (73, 3968756), (146, 1984378), (292, 992189), (803, 360796), (1606, 180398), (3212, 90199)]