209141569

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1657}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 274830080

約数和(自身を除く): 65688511

約数列:

[1, 7, 13, 19, 73, 91, 133, 247, 511, 949, 1387, 1657, 1729, 6643, 9709, 11599, 18031, 21541, 31483, 120961, 126217, 150787, 220381, 409279, 846727, 1572493, 2298259, 2864953, 11007451, 16087813, 29877367, 209141569]

約数ペア:

[(1, 209141569), (7, 29877367), (13, 16087813), (19, 11007451), (73, 2864953), (91, 2298259), (133, 1572493), (247, 846727), (511, 409279), (949, 220381), (1387, 150787), (1657, 126217), (1729, 120961), (6643, 31483), (9709, 21541), (11599, 18031)]