81554836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{14149}}^1$

素因数の和:14295

約数の個数: 24

約数和(自身を含む): 156895200

約数和(自身を除く): 75340364

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 5764, 14149, 28298, 56596, 155639, 311278, 622556, 1853519, 3707038, 7414076, 20388709, 40777418, 81554836]

約数ペア:

[(1, 81554836), (2, 40777418), (4, 20388709), (11, 7414076), (22, 3707038), (44, 1853519), (131, 622556), (262, 311278), (524, 155639), (1441, 56596), (2882, 28298), (5764, 14149)]