289325465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1831}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 434491776

約数和(自身を除く): 145166311

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 169, 187, 221, 715, 845, 935, 1105, 1831, 1859, 2431, 2873, 9155, 9295, 12155, 14365, 20141, 23803, 31127, 31603, 100705, 119015, 155635, 158015, 261833, 309439, 342397, 404651, 1309165, 1547195, 1711985, 2023255, 3403829, 4451161, 5260463, 17019145, 22255805, 26302315, 57865093, 289325465]

約数ペア:

[(1, 289325465), (5, 57865093), (11, 26302315), (13, 22255805), (17, 17019145), (55, 5260463), (65, 4451161), (85, 3403829), (143, 2023255), (169, 1711985), (187, 1547195), (221, 1309165), (715, 404651), (845, 342397), (935, 309439), (1105, 261833), (1831, 158015), (1859, 155635), (2431, 119015), (2873, 100705), (9155, 31603), (9295, 31127), (12155, 23803), (14365, 20141)]