1289788175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{14327}}^1$

素因数の和:14627

約数の個数: 24

約数和(自身を含む): 1728701856

約数和(自身を除く): 438913681

約数列:

[1, 5, 13, 25, 65, 277, 325, 1385, 3601, 6925, 14327, 18005, 71635, 90025, 186251, 358175, 931255, 3968579, 4656275, 19842895, 51591527, 99214475, 257957635, 1289788175]

約数ペア:

[(1, 1289788175), (5, 257957635), (13, 99214475), (25, 51591527), (65, 19842895), (277, 4656275), (325, 3968579), (1385, 931255), (3601, 358175), (6925, 186251), (14327, 90025), (18005, 71635)]