261017564

素因数分解:

$2^2\times {\mathrm{347}}^1\times {\mathrm{383}}^1\times {\mathrm{491}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 460228608

約数和(自身を除く): 199211044

約数列:

[1, 2, 4, 347, 383, 491, 694, 766, 982, 1388, 1532, 1964, 132901, 170377, 188053, 265802, 340754, 376106, 531604, 681508, 752212, 65254391, 130508782, 261017564]

約数ペア:

[(1, 261017564), (2, 130508782), (4, 65254391), (347, 752212), (383, 681508), (491, 531604), (694, 376106), (766, 340754), (982, 265802), (1388, 188053), (1532, 170377), (1964, 132901)]