28109326

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{28279}}^1$

素因数の和:28359

約数の個数: 16

約数和(自身を含む): 48867840

約数和(自身を除く): 20758514

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 28279, 56558, 197953, 395906, 2007809, 4015618, 14054663, 28109326]

約数ペア:

[(1, 28109326), (2, 14054663), (7, 4015618), (14, 2007809), (71, 395906), (142, 197953), (497, 56558), (994, 28279)]