64957325

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 83328000

約数和(自身を除く): 18370675

約数列:

[1, 5, 25, 41, 127, 205, 499, 635, 1025, 2495, 3175, 5207, 12475, 20459, 26035, 63373, 102295, 130175, 316865, 511475, 1584325, 2598293, 12991465, 64957325]

約数ペア:

[(1, 64957325), (5, 12991465), (25, 2598293), (41, 1584325), (127, 511475), (205, 316865), (499, 130175), (635, 102295), (1025, 63373), (2495, 26035), (3175, 20459), (5207, 12475)]