138842485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{37987}}^1$

素因数の和:38052

約数の個数: 16

約数和(自身を含む): 180518976

約数和(自身を除く): 41676491

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 37987, 189935, 645779, 1633441, 3228895, 8167205, 27768497, 138842485]

約数ペア:

[(1, 138842485), (5, 27768497), (17, 8167205), (43, 3228895), (85, 1633441), (215, 645779), (731, 189935), (3655, 37987)]