87031856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{286289}}^1$

素因数の和:286316

約数の個数: 20

約数和(自身を含む): 177499800

約数和(自身を除く): 90467944

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 286289, 572578, 1145156, 2290312, 4580624, 5439491, 10878982, 21757964, 43515928, 87031856]

約数ペア:

[(1, 87031856), (2, 43515928), (4, 21757964), (8, 10878982), (16, 5439491), (19, 4580624), (38, 2290312), (76, 1145156), (152, 572578), (304, 286289)]