28812674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{12967}}^1$

素因数の和:13081

約数の個数: 16

約数和(自身を含む): 47618496

約数和(自身を除く): 18805822

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 12967, 25934, 142637, 285274, 1309667, 2619334, 14406337, 28812674]

約数ペア:

[(1, 28812674), (2, 14406337), (11, 2619334), (22, 1309667), (101, 285274), (202, 142637), (1111, 25934), (2222, 12967)]