388996937

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1361}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 478225440

約数和(自身を除く): 89228503

約数列:

[1, 7, 19, 49, 133, 307, 931, 1361, 2149, 5833, 9527, 15043, 25859, 40831, 66689, 181013, 285817, 417827, 1267091, 2924789, 7938713, 20473523, 55570991, 388996937]

約数ペア:

[(1, 388996937), (7, 55570991), (19, 20473523), (49, 7938713), (133, 2924789), (307, 1267091), (931, 417827), (1361, 285817), (2149, 181013), (5833, 66689), (9527, 40831), (15043, 25859)]