989005204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1117}}^1\times {\mathrm{20123}}^1$

素因数の和:21255

約数の個数: 24

約数和(自身を含む): 1889885088

約数和(自身を除く): 900879884

約数列:

[1, 2, 4, 11, 22, 44, 1117, 2234, 4468, 12287, 20123, 24574, 40246, 49148, 80492, 221353, 442706, 885412, 22477391, 44954782, 89909564, 247251301, 494502602, 989005204]

約数ペア:

[(1, 989005204), (2, 494502602), (4, 247251301), (11, 89909564), (22, 44954782), (44, 22477391), (1117, 885412), (2234, 442706), (4468, 221353), (12287, 80492), (20123, 49148), (24574, 40246)]