219496775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{2143}}^1$

素因数の和:2411

約数の個数: 24

約数和(自身を含む): 289517184

約数和(自身を除く): 70020409

約数列:

[1, 5, 17, 25, 85, 241, 425, 1205, 2143, 4097, 6025, 10715, 20485, 36431, 53575, 102425, 182155, 516463, 910775, 2582315, 8779871, 12911575, 43899355, 219496775]

約数ペア:

[(1, 219496775), (5, 43899355), (17, 12911575), (25, 8779871), (85, 2582315), (241, 910775), (425, 516463), (1205, 182155), (2143, 102425), (4097, 53575), (6025, 36431), (10715, 20485)]