64944836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20789}}^1$

素因数の和:20875

約数の個数: 24

約数和(自身を含む): 125737920

約数和(自身を除く): 60793084

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 20789, 41578, 83156, 228679, 457358, 914716, 1476019, 2952038, 5904076, 16236209, 32472418, 64944836]

約数ペア:

[(1, 64944836), (2, 32472418), (4, 16236209), (11, 5904076), (22, 2952038), (44, 1476019), (71, 914716), (142, 457358), (284, 228679), (781, 83156), (1562, 41578), (3124, 20789)]