12981745

素因数分解:

$5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2221}}^1$

素因数の和:2400

約数の個数: 16

約数和(自身を含む): 17918208

約数和(自身を除く): 4936463

約数列:

[1, 5, 7, 35, 167, 835, 1169, 2221, 5845, 11105, 15547, 77735, 370907, 1854535, 2596349, 12981745]

約数ペア:

[(1, 12981745), (5, 2596349), (7, 1854535), (35, 370907), (167, 77735), (835, 15547), (1169, 11105), (2221, 5845)]