219968

素因数分解:

$2^6\times 7^1\times {\mathrm{491}}^1$

素因数の和:510

約数の個数: 28

約数和(自身を含む): 499872

約数和(自身を除く): 279904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 491, 982, 1964, 3437, 3928, 6874, 7856, 13748, 15712, 27496, 31424, 54992, 109984, 219968]

約数ペア:

[(1, 219968), (2, 109984), (4, 54992), (7, 31424), (8, 27496), (14, 15712), (16, 13748), (28, 7856), (32, 6874), (56, 3928), (64, 3437), (112, 1964), (224, 982), (448, 491)]