12687248

素因数分解:

$2^4\times 7^1\times {\mathrm{113279}}^1$

素因数の和:113294

約数の個数: 20

約数和(自身を含む): 28093440

約数和(自身を除く): 15406192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113279, 226558, 453116, 792953, 906232, 1585906, 1812464, 3171812, 6343624, 12687248]

約数ペア:

[(1, 12687248), (2, 6343624), (4, 3171812), (7, 1812464), (8, 1585906), (14, 906232), (16, 792953), (28, 453116), (56, 226558), (112, 113279)]