71366218

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 138848256

約数和(自身を除く): 67482038

約数列:

[1, 2, 7, 11, 14, 22, 61, 71, 77, 107, 122, 142, 154, 214, 427, 497, 671, 749, 781, 854, 994, 1177, 1342, 1498, 1562, 2354, 4331, 4697, 5467, 6527, 7597, 8239, 8662, 9394, 10934, 13054, 15194, 16478, 30317, 45689, 47641, 53179, 60634, 71797, 83567, 91378, 95282, 106358, 143594, 167134, 333487, 463417, 502579, 584969, 666974, 926834, 1005158, 1169938, 3243919, 5097587, 6487838, 10195174, 35683109, 71366218]

約数ペア:

[(1, 71366218), (2, 35683109), (7, 10195174), (11, 6487838), (14, 5097587), (22, 3243919), (61, 1169938), (71, 1005158), (77, 926834), (107, 666974), (122, 584969), (142, 502579), (154, 463417), (214, 333487), (427, 167134), (497, 143594), (671, 106358), (749, 95282), (781, 91378), (854, 83567), (994, 71797), (1177, 60634), (1342, 53179), (1498, 47641), (1562, 45689), (2354, 30317), (4331, 16478), (4697, 15194), (5467, 13054), (6527, 10934), (7597, 9394), (8239, 8662)]