209939531

素因数分解:

${\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{26371}}^1$

素因数の和:26809

約数の個数: 8

約数和(自身を含む): 221524800

約数和(自身を除く): 11585269

約数列:

[1, 19, 419, 7961, 26371, 501049, 11049449, 209939531]

約数ペア:

[(1, 209939531), (19, 11049449), (419, 501049), (7961, 26371)]