28687556

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 51268896

約数和(自身を除く): 22581340

約数列:

[1, 2, 4, 97, 107, 194, 214, 388, 428, 691, 1382, 2764, 10379, 20758, 41516, 67027, 73937, 134054, 147874, 268108, 295748, 7171889, 14343778, 28687556]

約数ペア:

[(1, 28687556), (2, 14343778), (4, 7171889), (97, 295748), (107, 268108), (194, 147874), (214, 134054), (388, 73937), (428, 67027), (691, 41516), (1382, 20758), (2764, 10379)]