206117471

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 251561520

約数和(自身を除く): 45444049

約数列:

[1, 7, 29, 49, 73, 203, 511, 1421, 1987, 2117, 3577, 13909, 14819, 57623, 97363, 103733, 145051, 403361, 1015357, 2823527, 4206479, 7107499, 29445353, 206117471]

約数ペア:

[(1, 206117471), (7, 29445353), (29, 7107499), (49, 4206479), (73, 2823527), (203, 1015357), (511, 403361), (1421, 145051), (1987, 103733), (2117, 97363), (3577, 57623), (13909, 14819)]