209761412

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{2503}}^1$

素因数の和:2628

約数の個数: 48

約数和(自身を含む): 435816192

約数和(自身を除く): 226054780

約数列:

[1, 2, 4, 7, 14, 28, 41, 73, 82, 146, 164, 287, 292, 511, 574, 1022, 1148, 2044, 2503, 2993, 5006, 5986, 10012, 11972, 17521, 20951, 35042, 41902, 70084, 83804, 102623, 182719, 205246, 365438, 410492, 718361, 730876, 1279033, 1436722, 2558066, 2873444, 5116132, 7491479, 14982958, 29965916, 52440353, 104880706, 209761412]

約数ペア:

[(1, 209761412), (2, 104880706), (4, 52440353), (7, 29965916), (14, 14982958), (28, 7491479), (41, 5116132), (73, 2873444), (82, 2558066), (146, 1436722), (164, 1279033), (287, 730876), (292, 718361), (511, 410492), (574, 365438), (1022, 205246), (1148, 182719), (2044, 102623), (2503, 83804), (2993, 70084), (5006, 41902), (5986, 35042), (10012, 20951), (11972, 17521)]