199744489

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 248832000

約数和(自身を除く): 49087511

約数列:

[1, 7, 23, 29, 161, 179, 203, 239, 667, 1253, 1673, 4117, 4669, 5191, 5497, 6931, 28819, 36337, 38479, 42781, 48517, 119393, 159413, 299467, 835751, 983963, 1115891, 1240649, 6887741, 8684543, 28534927, 199744489]

約数ペア:

[(1, 199744489), (7, 28534927), (23, 8684543), (29, 6887741), (161, 1240649), (179, 1115891), (203, 983963), (239, 835751), (667, 299467), (1253, 159413), (1673, 119393), (4117, 48517), (4669, 42781), (5191, 38479), (5497, 36337), (6931, 28819)]