128556126

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{21841}}^1$

素因数の和:21961

約数の個数: 32

約数和(自身を含む): 288314400

約数和(自身を除く): 159758274

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 5886, 21841, 43682, 65523, 131046, 196569, 393138, 589707, 1179414, 2380669, 4761338, 7142007, 14284014, 21426021, 42852042, 64278063, 128556126]

約数ペア:

[(1, 128556126), (2, 64278063), (3, 42852042), (6, 21426021), (9, 14284014), (18, 7142007), (27, 4761338), (54, 2380669), (109, 1179414), (218, 589707), (327, 393138), (654, 196569), (981, 131046), (1962, 65523), (2943, 43682), (5886, 21841)]