405940938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3187}}^1$

素因数の和:3299

約数の個数: 64

約数和(自身を含む): 925489152

約数和(自身を除く): 519548214

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 71, 78, 138, 142, 213, 299, 426, 598, 897, 923, 1633, 1794, 1846, 2769, 3187, 3266, 4899, 5538, 6374, 9561, 9798, 19122, 21229, 41431, 42458, 63687, 73301, 82862, 124293, 127374, 146602, 219903, 226277, 248586, 439806, 452554, 678831, 952913, 1357662, 1905826, 2858739, 2941601, 5204371, 5717478, 5883202, 8824803, 10408742, 15613113, 17649606, 31226226, 67656823, 135313646, 202970469, 405940938]

約数ペア:

[(1, 405940938), (2, 202970469), (3, 135313646), (6, 67656823), (13, 31226226), (23, 17649606), (26, 15613113), (39, 10408742), (46, 8824803), (69, 5883202), (71, 5717478), (78, 5204371), (138, 2941601), (142, 2858739), (213, 1905826), (299, 1357662), (426, 952913), (598, 678831), (897, 452554), (923, 439806), (1633, 248586), (1794, 226277), (1846, 219903), (2769, 146602), (3187, 127374), (3266, 124293), (4899, 82862), (5538, 73301), (6374, 63687), (9561, 42458), (9798, 41431), (19122, 21229)]