218750116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 446861184

約数和(自身を除く): 228111068

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 271, 361, 494, 542, 559, 722, 817, 988, 1084, 1118, 1444, 1634, 2236, 3268, 3523, 4693, 5149, 7046, 9386, 10298, 10621, 11653, 14092, 15523, 18772, 20596, 21242, 23306, 31046, 42484, 46612, 62092, 66937, 97831, 133874, 151489, 195662, 201799, 221407, 267748, 302978, 391324, 403598, 442814, 605956, 807196, 885628, 1271803, 2543606, 2878291, 4206733, 5087212, 5756582, 8413466, 11513164, 16826932, 54687529, 109375058, 218750116]

約数ペア:

[(1, 218750116), (2, 109375058), (4, 54687529), (13, 16826932), (19, 11513164), (26, 8413466), (38, 5756582), (43, 5087212), (52, 4206733), (76, 2878291), (86, 2543606), (172, 1271803), (247, 885628), (271, 807196), (361, 605956), (494, 442814), (542, 403598), (559, 391324), (722, 302978), (817, 267748), (988, 221407), (1084, 201799), (1118, 195662), (1444, 151489), (1634, 133874), (2236, 97831), (3268, 66937), (3523, 62092), (4693, 46612), (5149, 42484), (7046, 31046), (9386, 23306), (10298, 21242), (10621, 20596), (11653, 18772), (14092, 15523)]