28230128

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{16187}}^1$

素因数の和:16304

約数の個数: 20

約数和(自身を含む): 55201080

約数和(自身を除く): 26970952

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 16187, 32374, 64748, 129496, 258992, 1764383, 3528766, 7057532, 14115064, 28230128]

約数ペア:

[(1, 28230128), (2, 14115064), (4, 7057532), (8, 3528766), (16, 1764383), (109, 258992), (218, 129496), (436, 64748), (872, 32374), (1744, 16187)]