257030248

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{1723}}^1$

素因数の和:2401

約数の個数: 32

約数和(自身を含む): 499615200

約数和(自身を除く): 242584952

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 643, 1286, 1723, 2572, 3446, 5144, 6892, 13784, 18647, 37294, 49967, 74588, 99934, 149176, 199868, 399736, 1107889, 2215778, 4431556, 8863112, 32128781, 64257562, 128515124, 257030248]

約数ペア:

[(1, 257030248), (2, 128515124), (4, 64257562), (8, 32128781), (29, 8863112), (58, 4431556), (116, 2215778), (232, 1107889), (643, 399736), (1286, 199868), (1723, 149176), (2572, 99934), (3446, 74588), (5144, 49967), (6892, 37294), (13784, 18647)]