8997191

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 10695168

約数和(自身を除く): 1697977

約数列:

[1, 7, 43, 71, 301, 421, 497, 2947, 3053, 18103, 21371, 29891, 126721, 209237, 1285313, 8997191]

約数ペア:

[(1, 8997191), (7, 1285313), (43, 209237), (71, 126721), (301, 29891), (421, 21371), (497, 18103), (2947, 3053)]