2489543

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:131

約数の個数: 18

約数和(自身を含む): 3087576

約数和(自身を除く): 598033

約数列:

[1, 7, 23, 47, 49, 161, 329, 1081, 1127, 2209, 2303, 7567, 15463, 50807, 52969, 108241, 355649, 2489543]

約数ペア:

[(1, 2489543), (7, 355649), (23, 108241), (47, 52969), (49, 50807), (161, 15463), (329, 7567), (1081, 2303), (1127, 2209)]