256077215

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{653}}^1\times {\mathrm{733}}^1$

素因数の和:1498

約数の個数: 16

約数和(自身を含む): 311063328

約数和(自身を除く): 54986113

約数列:

[1, 5, 107, 535, 653, 733, 3265, 3665, 69871, 78431, 349355, 392155, 478649, 2393245, 51215443, 256077215]

約数ペア:

[(1, 256077215), (5, 51215443), (107, 2393245), (535, 478649), (653, 392155), (733, 349355), (3265, 78431), (3665, 69871)]