68439085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 100137600

約数和(自身を除く): 31698515

約数列:

[1, 5, 11, 13, 37, 55, 65, 143, 169, 185, 199, 407, 481, 715, 845, 995, 1859, 2035, 2189, 2405, 2587, 5291, 6253, 7363, 9295, 10945, 12935, 26455, 28457, 31265, 33631, 36815, 68783, 80993, 95719, 142285, 168155, 343915, 369941, 404965, 478595, 1052909, 1244347, 1849705, 5264545, 6221735, 13687817, 68439085]

約数ペア:

[(1, 68439085), (5, 13687817), (11, 6221735), (13, 5264545), (37, 1849705), (55, 1244347), (65, 1052909), (143, 478595), (169, 404965), (185, 369941), (199, 343915), (407, 168155), (481, 142285), (715, 95719), (845, 80993), (995, 68783), (1859, 36815), (2035, 33631), (2189, 31265), (2405, 28457), (2587, 26455), (5291, 12935), (6253, 10945), (7363, 9295)]