2018974195

素因数分解:

$5^1\times 7^2\times {\mathrm{8240711}}^1$

素因数の和:8240730

約数の個数: 12

約数和(自身を含む): 2818323504

約数和(自身を除く): 799349309

約数列:

[1, 5, 7, 35, 49, 245, 8240711, 41203555, 57684977, 288424885, 403794839, 2018974195]

約数ペア:

[(1, 2018974195), (5, 403794839), (7, 288424885), (35, 57684977), (49, 41203555), (245, 8240711)]