1990256

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{2347}}^1$

素因数の和:2408

約数の個数: 20

約数和(自身を含む): 3930552

約数和(自身を除く): 1940296

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 2347, 4694, 9388, 18776, 37552, 124391, 248782, 497564, 995128, 1990256]

約数ペア:

[(1, 1990256), (2, 995128), (4, 497564), (8, 248782), (16, 124391), (53, 37552), (106, 18776), (212, 9388), (424, 4694), (848, 2347)]