86987756

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{53171}}^1$

素因数の和:53584

約数の個数: 12

約数和(自身を含む): 152603640

約数和(自身を除く): 65615884

約数列:

[1, 2, 4, 409, 818, 1636, 53171, 106342, 212684, 21746939, 43493878, 86987756]

約数ペア:

[(1, 86987756), (2, 43493878), (4, 21746939), (409, 212684), (818, 106342), (1636, 53171)]