12782315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2161}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 18991008

約数和(自身を除く): 6208693

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 2161, 5915, 10805, 15127, 28093, 75635, 140465, 196651, 365209, 983255, 1826045, 2556463, 12782315]

約数ペア:

[(1, 12782315), (5, 2556463), (7, 1826045), (13, 983255), (35, 365209), (65, 196651), (91, 140465), (169, 75635), (455, 28093), (845, 15127), (1183, 10805), (2161, 5915)]