12981055

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 16077600

約数和(自身を除く): 3096545

約数列:

[1, 5, 43, 173, 215, 349, 865, 1745, 7439, 15007, 37195, 60377, 75035, 301885, 2596211, 12981055]

約数ペア:

[(1, 12981055), (5, 2596211), (43, 301885), (173, 75035), (215, 60377), (349, 37195), (865, 15007), (1745, 7439)]