257255964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{3767}}^1$

素因数の和:4055

約数の個数: 72

約数和(自身を含む): 746124288

約数和(自身を除く): 488868324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 271, 542, 813, 1084, 1626, 1897, 2439, 3252, 3767, 3794, 4878, 5691, 7534, 7588, 9756, 11301, 11382, 15068, 17073, 22602, 22764, 26369, 33903, 34146, 45204, 52738, 67806, 68292, 79107, 105476, 135612, 158214, 237321, 316428, 474642, 949284, 1020857, 2041714, 3062571, 4083428, 6125142, 7145999, 9187713, 12250284, 14291998, 18375426, 21437997, 28583996, 36750852, 42875994, 64313991, 85751988, 128627982, 257255964]

約数ペア:

[(1, 257255964), (2, 128627982), (3, 85751988), (4, 64313991), (6, 42875994), (7, 36750852), (9, 28583996), (12, 21437997), (14, 18375426), (18, 14291998), (21, 12250284), (28, 9187713), (36, 7145999), (42, 6125142), (63, 4083428), (84, 3062571), (126, 2041714), (252, 1020857), (271, 949284), (542, 474642), (813, 316428), (1084, 237321), (1626, 158214), (1897, 135612), (2439, 105476), (3252, 79107), (3767, 68292), (3794, 67806), (4878, 52738), (5691, 45204), (7534, 34146), (7588, 33903), (9756, 26369), (11301, 22764), (11382, 22602), (15068, 17073)]