661510976

素因数分解:

$2^6\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2971}}^1$

素因数の和:3068

約数の個数: 84

約数和(自身を含む): 1549030176

約数和(自身を除く): 887519200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 71, 98, 112, 142, 196, 224, 284, 392, 448, 497, 568, 784, 994, 1136, 1568, 1988, 2272, 2971, 3136, 3479, 3976, 4544, 5942, 6958, 7952, 11884, 13916, 15904, 20797, 23768, 27832, 31808, 41594, 47536, 55664, 83188, 95072, 111328, 145579, 166376, 190144, 210941, 222656, 291158, 332752, 421882, 582316, 665504, 843764, 1164632, 1331008, 1476587, 1687528, 2329264, 2953174, 3375056, 4658528, 5906348, 6750112, 9317056, 10336109, 11812696, 13500224, 20672218, 23625392, 41344436, 47250784, 82688872, 94501568, 165377744, 330755488, 661510976]

約数ペア:

[(1, 661510976), (2, 330755488), (4, 165377744), (7, 94501568), (8, 82688872), (14, 47250784), (16, 41344436), (28, 23625392), (32, 20672218), (49, 13500224), (56, 11812696), (64, 10336109), (71, 9317056), (98, 6750112), (112, 5906348), (142, 4658528), (196, 3375056), (224, 2953174), (284, 2329264), (392, 1687528), (448, 1476587), (497, 1331008), (568, 1164632), (784, 843764), (994, 665504), (1136, 582316), (1568, 421882), (1988, 332752), (2272, 291158), (2971, 222656), (3136, 210941), (3479, 190144), (3976, 166376), (4544, 145579), (5942, 111328), (6958, 95072), (7952, 83188), (11884, 55664), (13916, 47536), (15904, 41594), (20797, 31808), (23768, 27832)]