140266721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{1847}}^1$

素因数の和:2444

約数の個数: 16

約数和(自身を含む): 169128960

約数和(自身を除く): 28862239

約数列:

[1, 7, 19, 133, 571, 1847, 3997, 10849, 12929, 35093, 75943, 245651, 1054637, 7382459, 20038103, 140266721]

約数ペア:

[(1, 140266721), (7, 20038103), (19, 7382459), (133, 1054637), (571, 245651), (1847, 75943), (3997, 35093), (10849, 12929)]