257905872

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{255859}}^1$

素因数の和:255880

約数の個数: 60

約数和(自身を含む): 824892640

約数和(自身を除く): 566986768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 255859, 511718, 767577, 1023436, 1535154, 1791013, 2046872, 2302731, 3070308, 3582026, 4093744, 4605462, 5373039, 6140616, 7164052, 9210924, 10746078, 12281232, 14328104, 16119117, 18421848, 21492156, 28656208, 32238234, 36843696, 42984312, 64476468, 85968624, 128952936, 257905872]

約数ペア:

[(1, 257905872), (2, 128952936), (3, 85968624), (4, 64476468), (6, 42984312), (7, 36843696), (8, 32238234), (9, 28656208), (12, 21492156), (14, 18421848), (16, 16119117), (18, 14328104), (21, 12281232), (24, 10746078), (28, 9210924), (36, 7164052), (42, 6140616), (48, 5373039), (56, 4605462), (63, 4093744), (72, 3582026), (84, 3070308), (112, 2302731), (126, 2046872), (144, 1791013), (168, 1535154), (252, 1023436), (336, 767577), (504, 511718), (1008, 255859)]