128280208

素因数分解:

$2^4\times 7^1\times {\mathrm{1145359}}^1$

素因数の和:1145374

約数の個数: 20

約数和(自身を含む): 284049280

約数和(自身を除く): 155769072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1145359, 2290718, 4581436, 8017513, 9162872, 16035026, 18325744, 32070052, 64140104, 128280208]

約数ペア:

[(1, 128280208), (2, 64140104), (4, 32070052), (7, 18325744), (8, 16035026), (14, 9162872), (16, 8017513), (28, 4581436), (56, 2290718), (112, 1145359)]