205556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 399840

約数和(自身を除く): 194284

約数列:

[1, 2, 4, 13, 26, 52, 59, 67, 118, 134, 236, 268, 767, 871, 1534, 1742, 3068, 3484, 3953, 7906, 15812, 51389, 102778, 205556]

約数ペア:

[(1, 205556), (2, 102778), (4, 51389), (13, 15812), (26, 7906), (52, 3953), (59, 3484), (67, 3068), (118, 1742), (134, 1534), (236, 871), (268, 767)]