40078857

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 69147648

約数和(自身を除く): 29068791

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 169, 273, 299, 483, 491, 507, 897, 1183, 1473, 2093, 3437, 3549, 3887, 6279, 6383, 10311, 11293, 11661, 19149, 27209, 33879, 44681, 79051, 81627, 82979, 134043, 146809, 237153, 248937, 440427, 580853, 1027663, 1742559, 1908517, 3082989, 5725551, 13359619, 40078857]

約数ペア:

[(1, 40078857), (3, 13359619), (7, 5725551), (13, 3082989), (21, 1908517), (23, 1742559), (39, 1027663), (69, 580853), (91, 440427), (161, 248937), (169, 237153), (273, 146809), (299, 134043), (483, 82979), (491, 81627), (507, 79051), (897, 44681), (1183, 33879), (1473, 27209), (2093, 19149), (3437, 11661), (3549, 11293), (3887, 10311), (6279, 6383)]