12985115

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 18692352

約数和(自身を除く): 5707237

約数列:

[1, 5, 11, 13, 55, 65, 121, 127, 143, 169, 605, 635, 715, 845, 1397, 1573, 1651, 1859, 6985, 7865, 8255, 9295, 15367, 18161, 20449, 21463, 76835, 90805, 102245, 107315, 199771, 236093, 998855, 1180465, 2597023, 12985115]

約数ペア:

[(1, 12985115), (5, 2597023), (11, 1180465), (13, 998855), (55, 236093), (65, 199771), (121, 107315), (127, 102245), (143, 90805), (169, 76835), (605, 21463), (635, 20449), (715, 18161), (845, 15367), (1397, 9295), (1573, 8255), (1651, 7865), (1859, 6985)]