128840264

素因数分解:

$2^3\times 7^1\times {\mathrm{2300719}}^1$

素因数の和:2300732

約数の個数: 16

約数和(自身を含む): 276086400

約数和(自身を除く): 147246136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2300719, 4601438, 9202876, 16105033, 18405752, 32210066, 64420132, 128840264]

約数ペア:

[(1, 128840264), (2, 64420132), (4, 32210066), (7, 18405752), (8, 16105033), (14, 9202876), (28, 4601438), (56, 2300719)]