4971988

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 10499328

約数和(自身を除く): 5527340

約数列:

[1, 2, 4, 7, 14, 28, 41, 61, 71, 82, 122, 142, 164, 244, 284, 287, 427, 497, 574, 854, 994, 1148, 1708, 1988, 2501, 2911, 4331, 5002, 5822, 8662, 10004, 11644, 17324, 17507, 20377, 30317, 35014, 40754, 60634, 70028, 81508, 121268, 177571, 355142, 710284, 1242997, 2485994, 4971988]

約数ペア:

[(1, 4971988), (2, 2485994), (4, 1242997), (7, 710284), (14, 355142), (28, 177571), (41, 121268), (61, 81508), (71, 70028), (82, 60634), (122, 40754), (142, 35014), (164, 30317), (244, 20377), (284, 17507), (287, 17324), (427, 11644), (497, 10004), (574, 8662), (854, 5822), (994, 5002), (1148, 4331), (1708, 2911), (1988, 2501)]