128191556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{2441}}^1$

素因数の和:3155

約数の個数: 24

約数和(自身を含む): 236580960

約数和(自身を除く): 108389404

約数列:

[1, 2, 4, 19, 38, 76, 691, 1382, 2441, 2764, 4882, 9764, 13129, 26258, 46379, 52516, 92758, 185516, 1686731, 3373462, 6746924, 32047889, 64095778, 128191556]

約数ペア:

[(1, 128191556), (2, 64095778), (4, 32047889), (19, 6746924), (38, 3373462), (76, 1686731), (691, 185516), (1382, 92758), (2441, 52516), (2764, 46379), (4882, 26258), (9764, 13129)]