384678

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 988416

約数和(自身を除く): 603738

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 71, 86, 126, 129, 142, 213, 258, 301, 387, 426, 497, 602, 639, 774, 903, 994, 1278, 1491, 1806, 2709, 2982, 3053, 4473, 5418, 6106, 8946, 9159, 18318, 21371, 27477, 42742, 54954, 64113, 128226, 192339, 384678]

約数ペア:

[(1, 384678), (2, 192339), (3, 128226), (6, 64113), (7, 54954), (9, 42742), (14, 27477), (18, 21371), (21, 18318), (42, 9159), (43, 8946), (63, 6106), (71, 5418), (86, 4473), (126, 3053), (129, 2982), (142, 2709), (213, 1806), (258, 1491), (301, 1278), (387, 994), (426, 903), (497, 774), (602, 639)]