9398990

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2141}}^1$

素因数の和:2587

約数の個数: 16

約数和(自身を含む): 16964640

約数和(自身を除く): 7565650

約数列:

[1, 2, 5, 10, 439, 878, 2141, 2195, 4282, 4390, 10705, 21410, 939899, 1879798, 4699495, 9398990]

約数ペア:

[(1, 9398990), (2, 4699495), (5, 1879798), (10, 939899), (439, 21410), (878, 10705), (2141, 4390), (2195, 4282)]