256626

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:330

約数の個数: 24

約数和(自身を含む): 568620

約数和(自身を除く): 311994

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 269, 318, 477, 538, 807, 954, 1614, 2421, 4842, 14257, 28514, 42771, 85542, 128313, 256626]

約数ペア:

[(1, 256626), (2, 128313), (3, 85542), (6, 42771), (9, 28514), (18, 14257), (53, 4842), (106, 2421), (159, 1614), (269, 954), (318, 807), (477, 538)]