28720636

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14447}}^1$

素因数の和:14529

約数の個数: 24

約数和(自身を含む): 58254336

約数和(自身を除く): 29533700

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 14447, 28894, 57788, 101129, 202258, 404516, 1025737, 2051474, 4102948, 7180159, 14360318, 28720636]

約数ペア:

[(1, 28720636), (2, 14360318), (4, 7180159), (7, 4102948), (14, 2051474), (28, 1025737), (71, 404516), (142, 202258), (284, 101129), (497, 57788), (994, 28894), (1988, 14447)]