28728722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{68729}}^1$

素因数の和:68761

約数の個数: 16

約数和(自身を含む): 49485600

約数和(自身を除く): 20756878

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 68729, 137458, 756019, 1305851, 1512038, 2611702, 14364361, 28728722]

約数ペア:

[(1, 28728722), (2, 14364361), (11, 2611702), (19, 1512038), (22, 1305851), (38, 756019), (209, 137458), (418, 68729)]