12780821935

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1049}}^1\times {\mathrm{20477}}^1$

素因数の和:21555

約数の個数: 32

約数和(自身を含む): 18577641600

約数和(自身を除く): 5796819665

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 1049, 5245, 7343, 17833, 20477, 36715, 89165, 102385, 124831, 143339, 348109, 624155, 716695, 1740545, 2436763, 12183815, 21480373, 107401865, 150362611, 365166341, 751813055, 1825831705, 2556164387, 12780821935]

約数ペア:

[(1, 12780821935), (5, 2556164387), (7, 1825831705), (17, 751813055), (35, 365166341), (85, 150362611), (119, 107401865), (595, 21480373), (1049, 12183815), (5245, 2436763), (7343, 1740545), (17833, 716695), (20477, 624155), (36715, 348109), (89165, 143339), (102385, 124831)]