1888445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1709}}^1$

素因数の和:1744

約数の個数: 16

約数和(自身を含む): 2585520

約数和(自身を除く): 697075

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1709, 8545, 22217, 29053, 111085, 145265, 377689, 1888445]

約数ペア:

[(1, 1888445), (5, 377689), (13, 145265), (17, 111085), (65, 29053), (85, 22217), (221, 8545), (1105, 1709)]