205675057

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 249936000

約数和(自身を除く): 44260943

約数列:

[1, 7, 19, 133, 199, 361, 409, 1393, 2527, 2863, 3781, 7771, 26467, 54397, 71839, 81391, 147649, 502873, 569737, 1033543, 1546429, 10825003, 29382151, 205675057]

約数ペア:

[(1, 205675057), (7, 29382151), (19, 10825003), (133, 1546429), (199, 1033543), (361, 569737), (409, 502873), (1393, 147649), (2527, 81391), (2863, 71839), (3781, 54397), (7771, 26467)]