2641205

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 4022784

約数和(自身を除く): 1381579

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 193, 391, 595, 805, 965, 1351, 1955, 2737, 3281, 4439, 6755, 13685, 16405, 22195, 22967, 31073, 75463, 114835, 155365, 377315, 528241, 2641205]

約数ペア:

[(1, 2641205), (5, 528241), (7, 377315), (17, 155365), (23, 114835), (35, 75463), (85, 31073), (115, 22967), (119, 22195), (161, 16405), (193, 13685), (391, 6755), (595, 4439), (805, 3281), (965, 2737), (1351, 1955)]