28739284

素因数分解:

$2^2\times 7^3\times {\mathrm{20947}}^1$

素因数の和:20972

約数の個数: 24

約数和(自身を含む): 58654400

約数和(自身を除く): 29915116

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 20947, 41894, 83788, 146629, 293258, 586516, 1026403, 2052806, 4105612, 7184821, 14369642, 28739284]

約数ペア:

[(1, 28739284), (2, 14369642), (4, 7184821), (7, 4105612), (14, 2052806), (28, 1026403), (49, 586516), (98, 293258), (196, 146629), (343, 83788), (686, 41894), (1372, 20947)]