858464

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:342

約数の個数: 24

約数和(自身を含む): 1711080

約数和(自身を除く): 852616

約数列:

[1, 2, 4, 8, 16, 32, 139, 193, 278, 386, 556, 772, 1112, 1544, 2224, 3088, 4448, 6176, 26827, 53654, 107308, 214616, 429232, 858464]

約数ペア:

[(1, 858464), (2, 429232), (4, 214616), (8, 107308), (16, 53654), (32, 26827), (139, 6176), (193, 4448), (278, 3088), (386, 2224), (556, 1544), (772, 1112)]