64851116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20759}}^1$

素因数の和:20845

約数の個数: 24

約数和(自身を含む): 125556480

約数和(自身を除く): 60705364

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 20759, 41518, 83036, 228349, 456698, 913396, 1473889, 2947778, 5895556, 16212779, 32425558, 64851116]

約数ペア:

[(1, 64851116), (2, 32425558), (4, 16212779), (11, 5895556), (22, 2947778), (44, 1473889), (71, 913396), (142, 456698), (284, 228349), (781, 83036), (1562, 41518), (3124, 20759)]