27721456

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1902

約数の個数: 60

約数和(自身を含む): 65803080

約数和(自身を除く): 38081624

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1861, 1862, 2128, 3722, 3724, 7444, 7448, 13027, 14888, 14896, 26054, 29776, 35359, 52108, 70718, 91189, 104216, 141436, 182378, 208432, 247513, 282872, 364756, 495026, 565744, 729512, 990052, 1459024, 1732591, 1980104, 3465182, 3960208, 6930364, 13860728, 27721456]

約数ペア:

[(1, 27721456), (2, 13860728), (4, 6930364), (7, 3960208), (8, 3465182), (14, 1980104), (16, 1732591), (19, 1459024), (28, 990052), (38, 729512), (49, 565744), (56, 495026), (76, 364756), (98, 282872), (112, 247513), (133, 208432), (152, 182378), (196, 141436), (266, 104216), (304, 91189), (392, 70718), (532, 52108), (784, 35359), (931, 29776), (1064, 26054), (1861, 14896), (1862, 14888), (2128, 13027), (3722, 7448), (3724, 7444)]