257702922

素因数分解:

$2^1\times 3^2\times {\mathrm{691}}^1\times {\mathrm{20719}}^1$

素因数の和:21418

約数の個数: 24

約数和(自身を含む): 559191360

約数和(自身を除く): 301488438

約数列:

[1, 2, 3, 6, 9, 18, 691, 1382, 2073, 4146, 6219, 12438, 20719, 41438, 62157, 124314, 186471, 372942, 14316829, 28633658, 42950487, 85900974, 128851461, 257702922]

約数ペア:

[(1, 257702922), (2, 128851461), (3, 85900974), (6, 42950487), (9, 28633658), (18, 14316829), (691, 372942), (1382, 186471), (2073, 124314), (4146, 62157), (6219, 41438), (12438, 20719)]