8642288

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{1283}}^1$

素因数の和:1712

約数の個数: 20

約数和(自身を含む): 16797288

約数和(自身を除く): 8155000

約数列:

[1, 2, 4, 8, 16, 421, 842, 1283, 1684, 2566, 3368, 5132, 6736, 10264, 20528, 540143, 1080286, 2160572, 4321144, 8642288]

約数ペア:

[(1, 8642288), (2, 4321144), (4, 2160572), (8, 1080286), (16, 540143), (421, 20528), (842, 10264), (1283, 6736), (1684, 5132), (2566, 3368)]