28443910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{258581}}^1$

素因数の和:258599

約数の個数: 16

約数和(自身を含む): 55853712

約数和(自身を除く): 27409802

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 258581, 517162, 1292905, 2585810, 2844391, 5688782, 14221955, 28443910]

約数ペア:

[(1, 28443910), (2, 14221955), (5, 5688782), (10, 2844391), (11, 2585810), (22, 1292905), (55, 517162), (110, 258581)]