90871885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{82237}}^1$

素因数の和:82272

約数の個数: 16

約数和(自身を含む): 124343856

約数和(自身を除く): 33471971

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 82237, 411185, 1069081, 1398029, 5345405, 6990145, 18174377, 90871885]

約数ペア:

[(1, 90871885), (5, 18174377), (13, 6990145), (17, 5345405), (65, 1398029), (85, 1069081), (221, 411185), (1105, 82237)]