639732884

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{3187}}^1$

素因数の和:3372

約数の個数: 48

約数和(自身を含む): 1311109632

約数和(自身を除く): 671376748

約数列:

[1, 2, 4, 7, 14, 28, 67, 107, 134, 214, 268, 428, 469, 749, 938, 1498, 1876, 2996, 3187, 6374, 7169, 12748, 14338, 22309, 28676, 44618, 50183, 89236, 100366, 200732, 213529, 341009, 427058, 682018, 854116, 1364036, 1494703, 2387063, 2989406, 4774126, 5978812, 9548252, 22847603, 45695206, 91390412, 159933221, 319866442, 639732884]

約数ペア:

[(1, 639732884), (2, 319866442), (4, 159933221), (7, 91390412), (14, 45695206), (28, 22847603), (67, 9548252), (107, 5978812), (134, 4774126), (214, 2989406), (268, 2387063), (428, 1494703), (469, 1364036), (749, 854116), (938, 682018), (1498, 427058), (1876, 341009), (2996, 213529), (3187, 200732), (6374, 100366), (7169, 89236), (12748, 50183), (14338, 44618), (22309, 28676)]