199916816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1135891}}^1$

素因数の和:1135910

約数の個数: 20

約数和(自身を含む): 422551824

約数和(自身を除く): 222635008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1135891, 2271782, 4543564, 9087128, 12494801, 18174256, 24989602, 49979204, 99958408, 199916816]

約数ペア:

[(1, 199916816), (2, 99958408), (4, 49979204), (8, 24989602), (11, 18174256), (16, 12494801), (22, 9087128), (44, 4543564), (88, 2271782), (176, 1135891)]