81511570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3793}}^1$

素因数の和:4114

約数の個数: 32

約数和(自身を含む): 168271488

約数和(自身を除く): 86759918

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307, 614, 1535, 2149, 3070, 3793, 4298, 7586, 10745, 18965, 21490, 26551, 37930, 53102, 132755, 265510, 1164451, 2328902, 5822255, 8151157, 11644510, 16302314, 40755785, 81511570]

約数ペア:

[(1, 81511570), (2, 40755785), (5, 16302314), (7, 11644510), (10, 8151157), (14, 5822255), (35, 2328902), (70, 1164451), (307, 265510), (614, 132755), (1535, 53102), (2149, 37930), (3070, 26551), (3793, 21490), (4298, 18965), (7586, 10745)]