2190377

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 2703360

約数和(自身を除く): 512983

約数列:

[1, 7, 19, 43, 133, 301, 383, 817, 2681, 5719, 7277, 16469, 50939, 115283, 312911, 2190377]

約数ペア:

[(1, 2190377), (7, 312911), (19, 115283), (43, 50939), (133, 16469), (301, 7277), (383, 5719), (817, 2681)]