81860984

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{35407}}^1$

素因数の和:35447

約数の個数: 24

約数和(自身を含む): 163053840

約数和(自身を除く): 81192856

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 35407, 70814, 141628, 283256, 601919, 1203838, 2407676, 4815352, 10232623, 20465246, 40930492, 81860984]

約数ペア:

[(1, 81860984), (2, 40930492), (4, 20465246), (8, 10232623), (17, 4815352), (34, 2407676), (68, 1203838), (136, 601919), (289, 283256), (578, 141628), (1156, 70814), (2312, 35407)]