667065728

素因数分解:

$2^7\times 7^1\times {\mathrm{744493}}^1$

素因数の和:744514

約数の個数: 32

約数和(自身を含む): 1518767760

約数和(自身を除く): 851702032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 744493, 1488986, 2977972, 5211451, 5955944, 10422902, 11911888, 20845804, 23823776, 41691608, 47647552, 83383216, 95295104, 166766432, 333532864, 667065728]

約数ペア:

[(1, 667065728), (2, 333532864), (4, 166766432), (7, 95295104), (8, 83383216), (14, 47647552), (16, 41691608), (28, 23823776), (32, 20845804), (56, 11911888), (64, 10422902), (112, 5955944), (128, 5211451), (224, 2977972), (448, 1488986), (896, 744493)]