139833985

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 174670848

約数和(自身を除く): 34836863

約数列:

[1, 5, 41, 127, 131, 205, 635, 655, 1681, 5207, 5371, 8405, 16637, 26035, 26855, 83185, 213487, 220211, 682117, 1067435, 1101055, 3410585, 27966797, 139833985]

約数ペア:

[(1, 139833985), (5, 27966797), (41, 3410585), (127, 1101055), (131, 1067435), (205, 682117), (635, 220211), (655, 213487), (1681, 83185), (5207, 26855), (5371, 26035), (8405, 16637)]