639757314

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1709}}^1\times {\mathrm{2971}}^1$

素因数の和:4695

約数の個数: 48

約数和(自身を含む): 1585621440

約数和(自身を除く): 945864126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1709, 2971, 3418, 5127, 5942, 8913, 10254, 11963, 15381, 17826, 20797, 23926, 26739, 30762, 35889, 41594, 53478, 62391, 71778, 107667, 124782, 187173, 215334, 374346, 5077439, 10154878, 15232317, 30464634, 35542073, 45696951, 71084146, 91393902, 106626219, 213252438, 319878657, 639757314]

約数ペア:

[(1, 639757314), (2, 319878657), (3, 213252438), (6, 106626219), (7, 91393902), (9, 71084146), (14, 45696951), (18, 35542073), (21, 30464634), (42, 15232317), (63, 10154878), (126, 5077439), (1709, 374346), (2971, 215334), (3418, 187173), (5127, 124782), (5942, 107667), (8913, 71778), (10254, 62391), (11963, 53478), (15381, 41594), (17826, 35889), (20797, 30762), (23926, 26739)]