218701259

素因数分解:

$7^3\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 264384000

約数和(自身を除く): 45682741

約数列:

[1, 7, 49, 59, 101, 107, 343, 413, 707, 749, 2891, 4949, 5243, 5959, 6313, 10807, 20237, 34643, 36701, 41713, 44191, 75649, 291991, 309337, 529543, 637613, 2043937, 2165359, 3706801, 4463291, 31243037, 218701259]

約数ペア:

[(1, 218701259), (7, 31243037), (49, 4463291), (59, 3706801), (101, 2165359), (107, 2043937), (343, 637613), (413, 529543), (707, 309337), (749, 291991), (2891, 75649), (4949, 44191), (5243, 41713), (5959, 36701), (6313, 34643), (10807, 20237)]