1256945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 16

約数和(自身を含む): 1615680

約数和(自身を除く): 358735

約数列:

[1, 5, 19, 95, 101, 131, 505, 655, 1919, 2489, 9595, 12445, 13231, 66155, 251389, 1256945]

約数ペア:

[(1, 1256945), (5, 251389), (19, 66155), (95, 13231), (101, 12445), (131, 9595), (505, 2489), (655, 1919)]