128021264

素因数分解:

$2^4\times 7^1\times {\mathrm{1143047}}^1$

素因数の和:1143062

約数の個数: 20

約数和(自身を含む): 283475904

約数和(自身を除く): 155454640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1143047, 2286094, 4572188, 8001329, 9144376, 16002658, 18288752, 32005316, 64010632, 128021264]

約数ペア:

[(1, 128021264), (2, 64010632), (4, 32005316), (7, 18288752), (8, 16002658), (14, 9144376), (16, 8001329), (28, 4572188), (56, 2286094), (112, 1143047)]