211705088

素因数分解:

$2^8\times 7^3\times {\mathrm{2411}}^1$

素因数の和:2448

約数の個数: 72

約数和(自身を含む): 493012800

約数和(自身を除く): 281307712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 784, 896, 1372, 1568, 1792, 2411, 2744, 3136, 4822, 5488, 6272, 9644, 10976, 12544, 16877, 19288, 21952, 33754, 38576, 43904, 67508, 77152, 87808, 118139, 135016, 154304, 236278, 270032, 308608, 472556, 540064, 617216, 826973, 945112, 1080128, 1653946, 1890224, 2160256, 3307892, 3780448, 4320512, 6615784, 7560896, 13231568, 15121792, 26463136, 30243584, 52926272, 105852544, 211705088]

約数ペア:

[(1, 211705088), (2, 105852544), (4, 52926272), (7, 30243584), (8, 26463136), (14, 15121792), (16, 13231568), (28, 7560896), (32, 6615784), (49, 4320512), (56, 3780448), (64, 3307892), (98, 2160256), (112, 1890224), (128, 1653946), (196, 1080128), (224, 945112), (256, 826973), (343, 617216), (392, 540064), (448, 472556), (686, 308608), (784, 270032), (896, 236278), (1372, 154304), (1568, 135016), (1792, 118139), (2411, 87808), (2744, 77152), (3136, 67508), (4822, 43904), (5488, 38576), (6272, 33754), (9644, 21952), (10976, 19288), (12544, 16877)]