209400412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{129901}}^1$

素因数の和:129949

約数の個数: 24

約数和(自身を含む): 407372672

約数和(自身を除く): 197972260

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 129901, 259802, 519604, 1688713, 3377426, 4026931, 6754852, 8053862, 16107724, 52350103, 104700206, 209400412]

約数ペア:

[(1, 209400412), (2, 104700206), (4, 52350103), (13, 16107724), (26, 8053862), (31, 6754852), (52, 4026931), (62, 3377426), (124, 1688713), (403, 519604), (806, 259802), (1612, 129901)]