78918255

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 148127616

約数和(自身を除く): 69209361

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 313, 431, 585, 939, 1293, 1565, 2155, 2817, 3879, 4069, 4695, 5603, 6465, 12207, 14085, 16809, 19395, 20345, 28015, 36621, 50427, 61035, 84045, 134903, 183105, 252135, 404709, 674515, 1214127, 1753739, 2023545, 5261217, 6070635, 8768695, 15783651, 26306085, 78918255]

約数ペア:

[(1, 78918255), (3, 26306085), (5, 15783651), (9, 8768695), (13, 6070635), (15, 5261217), (39, 2023545), (45, 1753739), (65, 1214127), (117, 674515), (195, 404709), (313, 252135), (431, 183105), (585, 134903), (939, 84045), (1293, 61035), (1565, 50427), (2155, 36621), (2817, 28015), (3879, 20345), (4069, 19395), (4695, 16809), (5603, 14085), (6465, 12207)]