12985385

素因数分解:

$5^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{643}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 17867136

約数和(自身を除く): 4881751

約数列:

[1, 5, 7, 35, 577, 643, 2885, 3215, 4039, 4501, 20195, 22505, 371011, 1855055, 2597077, 12985385]

約数ペア:

[(1, 12985385), (5, 2597077), (7, 1855055), (35, 371011), (577, 22505), (643, 20195), (2885, 4501), (3215, 4039)]