1981168

素因数分解:

$2^4\times 7^3\times {\mathrm{19}}^2$

素因数の和:67

約数の個数: 60

約数和(自身を含む): 4724400

約数和(自身を除く): 2743232

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 343, 361, 392, 532, 686, 722, 784, 931, 1064, 1372, 1444, 1862, 2128, 2527, 2744, 2888, 3724, 5054, 5488, 5776, 6517, 7448, 10108, 13034, 14896, 17689, 20216, 26068, 35378, 40432, 52136, 70756, 104272, 123823, 141512, 247646, 283024, 495292, 990584, 1981168]

約数ペア:

[(1, 1981168), (2, 990584), (4, 495292), (7, 283024), (8, 247646), (14, 141512), (16, 123823), (19, 104272), (28, 70756), (38, 52136), (49, 40432), (56, 35378), (76, 26068), (98, 20216), (112, 17689), (133, 14896), (152, 13034), (196, 10108), (266, 7448), (304, 6517), (343, 5776), (361, 5488), (392, 5054), (532, 3724), (686, 2888), (722, 2744), (784, 2527), (931, 2128), (1064, 1862), (1372, 1444)]