257122943

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2551}}^1$

素因数の和:2604

約数の個数: 36

約数和(自身を含む): 348240816

約数和(自身を除く): 91117873

約数列:

[1, 7, 11, 17, 49, 77, 119, 121, 187, 539, 833, 847, 1309, 2057, 2551, 5929, 9163, 14399, 17857, 28061, 43367, 100793, 124999, 196427, 303569, 308671, 477037, 1374989, 2124983, 2160697, 3339259, 5247407, 15124879, 23374813, 36731849, 257122943]

約数ペア:

[(1, 257122943), (7, 36731849), (11, 23374813), (17, 15124879), (49, 5247407), (77, 3339259), (119, 2160697), (121, 2124983), (187, 1374989), (539, 477037), (833, 308671), (847, 303569), (1309, 196427), (2057, 124999), (2551, 100793), (5929, 43367), (9163, 28061), (14399, 17857)]