253371859

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 308206080

約数和(自身を除く): 54834221

約数列:

[1, 13, 17, 19, 83, 221, 247, 323, 727, 1079, 1411, 1577, 4199, 9451, 12359, 13813, 18343, 20501, 26809, 60341, 160667, 179569, 234821, 348517, 784433, 1025797, 1146479, 3052673, 13335361, 14904227, 19490143, 253371859]

約数ペア:

[(1, 253371859), (13, 19490143), (17, 14904227), (19, 13335361), (83, 3052673), (221, 1146479), (247, 1025797), (323, 784433), (727, 348517), (1079, 234821), (1411, 179569), (1577, 160667), (4199, 60341), (9451, 26809), (12359, 20501), (13813, 18343)]