87531356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{28019}}^1$

素因数の和:28105

約数の個数: 24

約数和(自身を含む): 169464960

約数和(自身を除く): 81933604

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 28019, 56038, 112076, 308209, 616418, 1232836, 1989349, 3978698, 7957396, 21882839, 43765678, 87531356]

約数ペア:

[(1, 87531356), (2, 43765678), (4, 21882839), (11, 7957396), (22, 3978698), (44, 1989349), (71, 1232836), (142, 616418), (284, 308209), (781, 112076), (1562, 56038), (3124, 28019)]