4000668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 10800384

約数和(自身を除く): 6799716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 97, 194, 291, 388, 491, 582, 679, 982, 1164, 1358, 1473, 1964, 2037, 2716, 2946, 3437, 4074, 5892, 6874, 8148, 10311, 13748, 20622, 41244, 47627, 95254, 142881, 190508, 285762, 333389, 571524, 666778, 1000167, 1333556, 2000334, 4000668]

約数ペア:

[(1, 4000668), (2, 2000334), (3, 1333556), (4, 1000167), (6, 666778), (7, 571524), (12, 333389), (14, 285762), (21, 190508), (28, 142881), (42, 95254), (84, 47627), (97, 41244), (194, 20622), (291, 13748), (388, 10311), (491, 8148), (582, 6874), (679, 5892), (982, 4074), (1164, 3437), (1358, 2946), (1473, 2716), (1964, 2037)]