208206

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:320

約数の個数: 24

約数和(自身を含む): 463320

約数和(自身を除く): 255114

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 269, 387, 538, 774, 807, 1614, 2421, 4842, 11567, 23134, 34701, 69402, 104103, 208206]

約数ペア:

[(1, 208206), (2, 104103), (3, 69402), (6, 34701), (9, 23134), (18, 11567), (43, 4842), (86, 2421), (129, 1614), (258, 807), (269, 774), (387, 538)]