17772889

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 19148800

約数和(自身を除く): 1375911

約数列:

[1, 31, 43, 67, 199, 1333, 2077, 2881, 6169, 8557, 13333, 89311, 265267, 413323, 573319, 17772889]

約数ペア:

[(1, 17772889), (31, 573319), (43, 413323), (67, 265267), (199, 89311), (1333, 13333), (2077, 8557), (2881, 6169)]