28687414

素因数分解:

$2^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{11321}}^1$

素因数の和:11511

約数の個数: 16

約数和(自身を含む): 49454496

約数和(自身を除く): 20767082

約数列:

[1, 2, 7, 14, 181, 362, 1267, 2534, 11321, 22642, 79247, 158494, 2049101, 4098202, 14343707, 28687414]

約数ペア:

[(1, 28687414), (2, 14343707), (7, 4098202), (14, 2049101), (181, 158494), (362, 79247), (1267, 22642), (2534, 11321)]