142236899

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{18797}}^1$

素因数の和:18874

約数の個数: 16

約数和(自身を含む): 173242368

約数和(自身を除く): 31005469

約数列:

[1, 7, 23, 47, 161, 329, 1081, 7567, 18797, 131579, 432331, 883459, 3026317, 6184213, 20319557, 142236899]

約数ペア:

[(1, 142236899), (7, 20319557), (23, 6184213), (47, 3026317), (161, 883459), (329, 432331), (1081, 131579), (7567, 18797)]