257508622

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 485222400

約数和(自身を除く): 227713778

約数列:

[1, 2, 7, 14, 17, 34, 49, 71, 98, 119, 142, 238, 311, 343, 497, 622, 686, 833, 994, 1207, 1666, 2177, 2414, 3479, 4354, 5287, 5831, 6958, 8449, 10574, 11662, 15239, 16898, 22081, 24353, 30478, 37009, 44162, 48706, 59143, 74018, 106673, 118286, 154567, 213346, 259063, 309134, 375377, 414001, 518126, 750754, 828002, 1081969, 1813441, 2163938, 2627639, 3626882, 5255278, 7573783, 15147566, 18393473, 36786946, 128754311, 257508622]

約数ペア:

[(1, 257508622), (2, 128754311), (7, 36786946), (14, 18393473), (17, 15147566), (34, 7573783), (49, 5255278), (71, 3626882), (98, 2627639), (119, 2163938), (142, 1813441), (238, 1081969), (311, 828002), (343, 750754), (497, 518126), (622, 414001), (686, 375377), (833, 309134), (994, 259063), (1207, 213346), (1666, 154567), (2177, 118286), (2414, 106673), (3479, 74018), (4354, 59143), (5287, 48706), (5831, 44162), (6958, 37009), (8449, 30478), (10574, 24353), (11662, 22081), (15239, 16898)]