26890981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1259}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 30481920

約数和(自身を除く): 3590939

約数列:

[1, 13, 31, 53, 403, 689, 1259, 1643, 16367, 21359, 39029, 66727, 507377, 867451, 2068537, 26890981]

約数ペア:

[(1, 26890981), (13, 2068537), (31, 867451), (53, 507377), (403, 66727), (689, 39029), (1259, 21359), (1643, 16367)]