257128416

素因数分解:

$2^5\times 3^2\times {\mathrm{251}}^1\times {\mathrm{3557}}^1$

素因数の和:3824

約数の個数: 72

約数和(自身を含む): 734328504

約数和(自身を除く): 477200088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 251, 288, 502, 753, 1004, 1506, 2008, 2259, 3012, 3557, 4016, 4518, 6024, 7114, 8032, 9036, 10671, 12048, 14228, 18072, 21342, 24096, 28456, 32013, 36144, 42684, 56912, 64026, 72288, 85368, 113824, 128052, 170736, 256104, 341472, 512208, 892807, 1024416, 1785614, 2678421, 3571228, 5356842, 7142456, 8035263, 10713684, 14284912, 16070526, 21427368, 28569824, 32141052, 42854736, 64282104, 85709472, 128564208, 257128416]

約数ペア:

[(1, 257128416), (2, 128564208), (3, 85709472), (4, 64282104), (6, 42854736), (8, 32141052), (9, 28569824), (12, 21427368), (16, 16070526), (18, 14284912), (24, 10713684), (32, 8035263), (36, 7142456), (48, 5356842), (72, 3571228), (96, 2678421), (144, 1785614), (251, 1024416), (288, 892807), (502, 512208), (753, 341472), (1004, 256104), (1506, 170736), (2008, 128052), (2259, 113824), (3012, 85368), (3557, 72288), (4016, 64026), (4518, 56912), (6024, 42684), (7114, 36144), (8032, 32013), (9036, 28456), (10671, 24096), (12048, 21342), (14228, 18072)]