25951352

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 57853440

約数和(自身を除く): 31902088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 71, 107, 122, 142, 214, 244, 284, 427, 428, 488, 497, 568, 749, 854, 856, 994, 1498, 1708, 1988, 2996, 3416, 3976, 4331, 5992, 6527, 7597, 8662, 13054, 15194, 17324, 26108, 30317, 30388, 34648, 45689, 52216, 53179, 60634, 60776, 91378, 106358, 121268, 182756, 212716, 242536, 365512, 425432, 463417, 926834, 1853668, 3243919, 3707336, 6487838, 12975676, 25951352]

約数ペア:

[(1, 25951352), (2, 12975676), (4, 6487838), (7, 3707336), (8, 3243919), (14, 1853668), (28, 926834), (56, 463417), (61, 425432), (71, 365512), (107, 242536), (122, 212716), (142, 182756), (214, 121268), (244, 106358), (284, 91378), (427, 60776), (428, 60634), (488, 53179), (497, 52216), (568, 45689), (749, 34648), (854, 30388), (856, 30317), (994, 26108), (1498, 17324), (1708, 15194), (1988, 13054), (2996, 8662), (3416, 7597), (3976, 6527), (4331, 5992)]