990584

素因数分解:

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

素因数の和:65

約数の個数: 48

約数和(自身を含む): 2286000

約数和(自身を除く): 1295416

約数列:

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

約数ペア:

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