81731412

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{6619}}^1$

素因数の和:6650

約数の個数: 72

約数和(自身を含む): 240968000

約数和(自身を除く): 159236588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 2058, 3087, 4116, 6174, 6619, 12348, 13238, 19857, 26476, 39714, 46333, 59571, 79428, 92666, 119142, 138999, 185332, 238284, 277998, 324331, 416997, 555996, 648662, 833994, 972993, 1297324, 1667988, 1945986, 2270317, 2918979, 3891972, 4540634, 5837958, 6810951, 9081268, 11675916, 13621902, 20432853, 27243804, 40865706, 81731412]

約数ペア:

[(1, 81731412), (2, 40865706), (3, 27243804), (4, 20432853), (6, 13621902), (7, 11675916), (9, 9081268), (12, 6810951), (14, 5837958), (18, 4540634), (21, 3891972), (28, 2918979), (36, 2270317), (42, 1945986), (49, 1667988), (63, 1297324), (84, 972993), (98, 833994), (126, 648662), (147, 555996), (196, 416997), (252, 324331), (294, 277998), (343, 238284), (441, 185332), (588, 138999), (686, 119142), (882, 92666), (1029, 79428), (1372, 59571), (1764, 46333), (2058, 39714), (3087, 26476), (4116, 19857), (6174, 13238), (6619, 12348)]