257759376

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5519}}^1$

素因数の和:5676

約数の個数: 80

約数和(自身を含む): 766617600

約数和(自身を除く): 508858224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 139, 168, 278, 336, 417, 556, 834, 973, 1112, 1668, 1946, 2224, 2919, 3336, 3892, 5519, 5838, 6672, 7784, 11038, 11676, 15568, 16557, 22076, 23352, 33114, 38633, 44152, 46704, 66228, 77266, 88304, 115899, 132456, 154532, 231798, 264912, 309064, 463596, 618128, 767141, 927192, 1534282, 1854384, 2301423, 3068564, 4602846, 5369987, 6137128, 9205692, 10739974, 12274256, 16109961, 18411384, 21479948, 32219922, 36822768, 42959896, 64439844, 85919792, 128879688, 257759376]

約数ペア:

[(1, 257759376), (2, 128879688), (3, 85919792), (4, 64439844), (6, 42959896), (7, 36822768), (8, 32219922), (12, 21479948), (14, 18411384), (16, 16109961), (21, 12274256), (24, 10739974), (28, 9205692), (42, 6137128), (48, 5369987), (56, 4602846), (84, 3068564), (112, 2301423), (139, 1854384), (168, 1534282), (278, 927192), (336, 767141), (417, 618128), (556, 463596), (834, 309064), (973, 264912), (1112, 231798), (1668, 154532), (1946, 132456), (2224, 115899), (2919, 88304), (3336, 77266), (3892, 66228), (5519, 46704), (5838, 44152), (6672, 38633), (7784, 33114), (11038, 23352), (11676, 22076), (15568, 16557)]