265456

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:408

約数の個数: 20

約数和(自身を含む): 526752

約数和(自身を除く): 261296

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 353, 376, 706, 752, 1412, 2824, 5648, 16591, 33182, 66364, 132728, 265456]

約数ペア:

[(1, 265456), (2, 132728), (4, 66364), (8, 33182), (16, 16591), (47, 5648), (94, 2824), (188, 1412), (353, 752), (376, 706)]