1278016866

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{1126999}}^1$

素因数の和:1127020

約数の個数: 40

約数和(自身を含む): 3272808000

約数和(自身を除く): 1994791134

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 1126999, 2253998, 3380997, 6761994, 7888993, 10142991, 15777986, 20285982, 23666979, 30428973, 47333958, 60857946, 71000937, 91286919, 142001874, 182573838, 213002811, 426005622, 639008433, 1278016866]

約数ペア:

[(1, 1278016866), (2, 639008433), (3, 426005622), (6, 213002811), (7, 182573838), (9, 142001874), (14, 91286919), (18, 71000937), (21, 60857946), (27, 47333958), (42, 30428973), (54, 23666979), (63, 20285982), (81, 15777986), (126, 10142991), (162, 7888993), (189, 6761994), (378, 3380997), (567, 2253998), (1134, 1126999)]