17128580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{122347}}^1$

素因数の和:122363

約数の個数: 24

約数和(自身を含む): 41108928

約数和(自身を除く): 23980348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 122347, 244694, 489388, 611735, 856429, 1223470, 1712858, 2446940, 3425716, 4282145, 8564290, 17128580]

約数ペア:

[(1, 17128580), (2, 8564290), (4, 4282145), (5, 3425716), (7, 2446940), (10, 1712858), (14, 1223470), (20, 856429), (28, 611735), (35, 489388), (70, 244694), (140, 122347)]