17420335

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 21420000

約数和(自身を除く): 3999665

約数列:

[1, 5, 67, 149, 335, 349, 745, 1745, 9983, 23383, 49915, 52001, 116915, 260005, 3484067, 17420335]

約数ペア:

[(1, 17420335), (5, 3484067), (67, 260005), (149, 116915), (335, 52001), (349, 49915), (745, 23383), (1745, 9983)]