64992175

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 83275920

約数和(自身を除く): 18283745

約数列:

[1, 5, 25, 41, 163, 205, 389, 815, 1025, 1945, 4075, 6683, 9725, 15949, 33415, 63407, 79745, 167075, 317035, 398725, 1585175, 2599687, 12998435, 64992175]

約数ペア:

[(1, 64992175), (5, 12998435), (25, 2599687), (41, 1585175), (163, 398725), (205, 317035), (389, 167075), (815, 79745), (1025, 63407), (1945, 33415), (4075, 15949), (6683, 9725)]