1999858445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{234863}}^1$

素因数の和:235012

約数の個数: 16

約数和(自身を含む): 2604172032

約数和(自身を除く): 604313587

約数列:

[1, 5, 13, 65, 131, 655, 1703, 8515, 234863, 1174315, 3053219, 15266095, 30767053, 153835265, 399971689, 1999858445]

約数ペア:

[(1, 1999858445), (5, 399971689), (13, 153835265), (65, 30767053), (131, 15266095), (655, 3053219), (1703, 1174315), (8515, 234863)]