644976

素因数分解:

$2^4\times 3^3\times {\mathrm{1493}}^1$

素因数の和:1510

約数の個数: 40

約数和(自身を含む): 1852560

約数和(自身を除く): 1207584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 1493, 2986, 4479, 5972, 8958, 11944, 13437, 17916, 23888, 26874, 35832, 40311, 53748, 71664, 80622, 107496, 161244, 214992, 322488, 644976]

約数ペア:

[(1, 644976), (2, 322488), (3, 214992), (4, 161244), (6, 107496), (8, 80622), (9, 71664), (12, 53748), (16, 40311), (18, 35832), (24, 26874), (27, 23888), (36, 17916), (48, 13437), (54, 11944), (72, 8958), (108, 5972), (144, 4479), (216, 2986), (432, 1493)]