128864255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 173880000

約数和(自身を除く): 45015745

約数列:

[1, 5, 13, 29, 65, 137, 145, 377, 499, 685, 1781, 1885, 2495, 3973, 6487, 8905, 14471, 19865, 32435, 51649, 68363, 72355, 188123, 258245, 341815, 888719, 940615, 1982527, 4443595, 9912635, 25772851, 128864255]

約数ペア:

[(1, 128864255), (5, 25772851), (13, 9912635), (29, 4443595), (65, 1982527), (137, 940615), (145, 888719), (377, 341815), (499, 258245), (685, 188123), (1781, 72355), (1885, 68363), (2495, 51649), (3973, 32435), (6487, 19865), (8905, 14471)]