9890205.00000000

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{8017}}^1$

素因数の和:8430

約数の個数: 12

約数和(自身を含む): 23011660

約数和(自身を除く): 9895848

約数列:

[1, 2, 4, 409, 818, 1636, 8017, 16034, 32068, 3278953, 6557906, 13115812]

約数ペア:

[(1, 13115812), (2, 6557906), (4, 3278953), (409, 32068), (818, 16034), (1636, 8017)]