678452968

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{1972247}}^1$

素因数の和:1972296

約数の個数: 16

約数和(自身を含む): 1301683680

約数和(自身を除く): 623230712

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 1972247, 3944494, 7888988, 15777976, 84806621, 169613242, 339226484, 678452968]

約数ペア:

[(1, 678452968), (2, 339226484), (4, 169613242), (8, 84806621), (43, 15777976), (86, 7888988), (172, 3944494), (344, 1972247)]