2720591

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 12

約数和(自身を含む): 2979000

約数和(自身を除く): 258409

約数列:

[1, 19, 31, 149, 589, 961, 2831, 4619, 18259, 87761, 143189, 2720591]

約数ペア:

[(1, 2720591), (19, 143189), (31, 87761), (149, 18259), (589, 4619), (961, 2831)]