1291226510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{970847}}^1$

素因数の和:970880

約数の個数: 32

約数和(自身を含む): 2796042240

約数和(自身を除く): 1504815730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 970847, 1941694, 4854235, 6795929, 9708470, 13591858, 18446093, 33979645, 36892186, 67959290, 92230465, 129122651, 184460930, 258245302, 645613255, 1291226510]

約数ペア:

[(1, 1291226510), (2, 645613255), (5, 258245302), (7, 184460930), (10, 129122651), (14, 92230465), (19, 67959290), (35, 36892186), (38, 33979645), (70, 18446093), (95, 13591858), (133, 9708470), (190, 6795929), (266, 4854235), (665, 1941694), (1330, 970847)]