249388636

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{17921}}^1$

素因数の和:18010

約数の個数: 36

約数和(自身を含む): 514863216

約数和(自身を除く): 265474580

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 3479, 6958, 13916, 17921, 35842, 71684, 125447, 250894, 501788, 878129, 1272391, 1756258, 2544782, 3512516, 5089564, 8906737, 17813474, 35626948, 62347159, 124694318, 249388636]

約数ペア:

[(1, 249388636), (2, 124694318), (4, 62347159), (7, 35626948), (14, 17813474), (28, 8906737), (49, 5089564), (71, 3512516), (98, 2544782), (142, 1756258), (196, 1272391), (284, 878129), (497, 501788), (994, 250894), (1988, 125447), (3479, 71684), (6958, 35842), (13916, 17921)]