87261556

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{307259}}^1$

素因数の和:307334

約数の個数: 12

約数和(自身を含む): 154859040

約数和(自身を除く): 67597484

約数列:

[1, 2, 4, 71, 142, 284, 307259, 614518, 1229036, 21815389, 43630778, 87261556]

約数ペア:

[(1, 87261556), (2, 43630778), (4, 21815389), (71, 1229036), (142, 614518), (284, 307259)]