28120513

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 31132800

約数和(自身を除く): 3012287

約数列:

[1, 19, 23, 229, 281, 437, 4351, 5267, 5339, 6463, 64349, 100073, 122797, 1222631, 1480027, 28120513]

約数ペア:

[(1, 28120513), (19, 1480027), (23, 1222631), (229, 122797), (281, 100073), (437, 64349), (4351, 6463), (5267, 5339)]