89840938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{20521}}^1$

素因数の和:20733

約数の個数: 16

約数和(自身を含む): 147758400

約数和(自身を除く): 57917462

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 20521, 41042, 225731, 451462, 4083679, 8167358, 44920469, 89840938]

約数ペア:

[(1, 89840938), (2, 44920469), (11, 8167358), (22, 4083679), (199, 451462), (398, 225731), (2189, 41042), (4378, 20521)]