28303675

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 36386064

約数和(自身を除く): 8082389

約数列:

[1, 5, 25, 43, 113, 215, 233, 565, 1075, 1165, 2825, 4859, 5825, 10019, 24295, 26329, 50095, 121475, 131645, 250475, 658225, 1132147, 5660735, 28303675]

約数ペア:

[(1, 28303675), (5, 5660735), (25, 1132147), (43, 658225), (113, 250475), (215, 131645), (233, 121475), (565, 50095), (1075, 26329), (1165, 24295), (2825, 10019), (4859, 5825)]