9781030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139729}}^1$

素因数の和:139743

約数の個数: 16

約数和(自身を含む): 20121120

約数和(自身を除く): 10340090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139729, 279458, 698645, 978103, 1397290, 1956206, 4890515, 9781030]

約数ペア:

[(1, 9781030), (2, 4890515), (5, 1956206), (7, 1397290), (10, 978103), (14, 698645), (35, 279458), (70, 139729)]