128740038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{11927}}^1$

素因数の和:12196

約数の個数: 32

約数和(自身を含む): 295432704

約数和(自身を除く): 166692666

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 3598, 5397, 10794, 11927, 23854, 35781, 71562, 83489, 166978, 250467, 500934, 3065239, 6130478, 9195717, 18391434, 21456673, 42913346, 64370019, 128740038]

約数ペア:

[(1, 128740038), (2, 64370019), (3, 42913346), (6, 21456673), (7, 18391434), (14, 9195717), (21, 6130478), (42, 3065239), (257, 500934), (514, 250467), (771, 166978), (1542, 83489), (1799, 71562), (3598, 35781), (5397, 23854), (10794, 11927)]