28281442

素因数分解:

$2^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{7681}}^1$

素因数の和:7953

約数の個数: 16

約数和(自身を含む): 48673152

約数和(自身を除く): 20391710

約数列:

[1, 2, 7, 14, 263, 526, 1841, 3682, 7681, 15362, 53767, 107534, 2020103, 4040206, 14140721, 28281442]

約数ペア:

[(1, 28281442), (2, 14140721), (7, 4040206), (14, 2020103), (263, 107534), (526, 53767), (1841, 15362), (3682, 7681)]