64798325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 83848800

約数和(自身を除く): 19050475

約数列:

[1, 5, 25, 29, 139, 145, 643, 695, 725, 3215, 3475, 4031, 16075, 18647, 20155, 89377, 93235, 100775, 446885, 466175, 2234425, 2591933, 12959665, 64798325]

約数ペア:

[(1, 64798325), (5, 12959665), (25, 2591933), (29, 2234425), (139, 466175), (145, 446885), (643, 100775), (695, 93235), (725, 89377), (3215, 20155), (3475, 18647), (4031, 16075)]