729316

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^2$

素因数の和:140

約数の個数: 27

約数和(自身を含む): 1509417

約数和(自身を除く): 780101

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2989, 3721, 5978, 7442, 11956, 14884, 26047, 52094, 104188, 182329, 364658, 729316]

約数ペア:

[(1, 729316), (2, 364658), (4, 182329), (7, 104188), (14, 52094), (28, 26047), (49, 14884), (61, 11956), (98, 7442), (122, 5978), (196, 3721), (244, 2989), (427, 1708)]