990522

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 2540160

約数和(自身を除く): 1549638

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 83, 102, 117, 153, 166, 221, 234, 249, 306, 351, 442, 459, 498, 663, 702, 747, 918, 1079, 1326, 1411, 1494, 1989, 2158, 2241, 2822, 3237, 3978, 4233, 4482, 5967, 6474, 8466, 9711, 11934, 12699, 18343, 19422, 25398, 29133, 36686, 38097, 55029, 58266, 76194, 110058, 165087, 330174, 495261, 990522]

約数ペア:

[(1, 990522), (2, 495261), (3, 330174), (6, 165087), (9, 110058), (13, 76194), (17, 58266), (18, 55029), (26, 38097), (27, 36686), (34, 29133), (39, 25398), (51, 19422), (54, 18343), (78, 12699), (83, 11934), (102, 9711), (117, 8466), (153, 6474), (166, 5967), (221, 4482), (234, 4233), (249, 3978), (306, 3237), (351, 2822), (442, 2241), (459, 2158), (498, 1989), (663, 1494), (702, 1411), (747, 1326), (918, 1079)]