64500989

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 75757440

約数和(自身を除く): 11256451

約数列:

[1, 7, 43, 301, 421, 509, 2947, 3563, 18103, 21887, 126721, 153209, 214289, 1500023, 9214427, 64500989]

約数ペア:

[(1, 64500989), (7, 9214427), (43, 1500023), (301, 214289), (421, 153209), (509, 126721), (2947, 21887), (3563, 18103)]