87569872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{421009}}^1$

素因数の和:421030

約数の個数: 20

約数和(自身を含む): 182718340

約数和(自身を除く): 95148468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 421009, 842018, 1684036, 3368072, 5473117, 6736144, 10946234, 21892468, 43784936, 87569872]

約数ペア:

[(1, 87569872), (2, 43784936), (4, 21892468), (8, 10946234), (13, 6736144), (16, 5473117), (26, 3368072), (52, 1684036), (104, 842018), (208, 421009)]