9718025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 13020000

約数和(自身を除く): 3301975

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 499, 779, 1025, 2495, 3895, 9481, 12475, 19475, 20459, 47405, 102295, 237025, 388721, 511475, 1943605, 9718025]

約数ペア:

[(1, 9718025), (5, 1943605), (19, 511475), (25, 388721), (41, 237025), (95, 102295), (205, 47405), (475, 20459), (499, 19475), (779, 12475), (1025, 9481), (2495, 3895)]