13221691

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 15759360

約数和(自身を除く): 2537669

約数列:

[1, 7, 37, 71, 259, 497, 719, 2627, 5033, 18389, 26603, 51049, 186221, 357343, 1888813, 13221691]

約数ペア:

[(1, 13221691), (7, 1888813), (37, 357343), (71, 186221), (259, 51049), (497, 26603), (719, 18389), (2627, 5033)]