256890385

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{4409}}^1$

素因数の和:4728

約数の個数: 16

約数和(自身を含む): 316673280

約数和(自身を除く): 59782895

約数列:

[1, 5, 43, 215, 271, 1355, 4409, 11653, 22045, 58265, 189587, 947935, 1194839, 5974195, 51378077, 256890385]

約数ペア:

[(1, 256890385), (5, 51378077), (43, 5974195), (215, 1194839), (271, 947935), (1355, 189587), (4409, 58265), (11653, 22045)]