2149449965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{252431}}^1$

素因数の和:252580

約数の個数: 16

約数和(自身を含む): 2798966016

約数和(自身を除く): 649516051

約数列:

[1, 5, 13, 65, 131, 655, 1703, 8515, 252431, 1262155, 3281603, 16408015, 33068461, 165342305, 429889993, 2149449965]

約数ペア:

[(1, 2149449965), (5, 429889993), (13, 165342305), (65, 33068461), (131, 16408015), (655, 3281603), (1703, 1262155), (8515, 252431)]