1398558

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 3348864

約数和(自身を除く): 1950306

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 67, 71, 98, 134, 142, 147, 201, 213, 294, 402, 426, 469, 497, 938, 994, 1407, 1491, 2814, 2982, 3283, 3479, 4757, 6566, 6958, 9514, 9849, 10437, 14271, 19698, 20874, 28542, 33299, 66598, 99897, 199794, 233093, 466186, 699279, 1398558]

約数ペア:

[(1, 1398558), (2, 699279), (3, 466186), (6, 233093), (7, 199794), (14, 99897), (21, 66598), (42, 33299), (49, 28542), (67, 20874), (71, 19698), (98, 14271), (134, 10437), (142, 9849), (147, 9514), (201, 6958), (213, 6566), (294, 4757), (402, 3479), (426, 3283), (469, 2982), (497, 2814), (938, 1491), (994, 1407)]