28270256

素因数分解:

$2^4\times 7^2\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:466

約数の個数: 60

約数和(自身を含む): 64502568

約数和(自身を除く): 36232312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 107, 112, 196, 214, 337, 392, 428, 674, 749, 784, 856, 1348, 1498, 1712, 2359, 2696, 2996, 4718, 5243, 5392, 5992, 9436, 10486, 11984, 16513, 18872, 20972, 33026, 36059, 37744, 41944, 66052, 72118, 83888, 132104, 144236, 252413, 264208, 288472, 504826, 576944, 1009652, 1766891, 2019304, 3533782, 4038608, 7067564, 14135128, 28270256]

約数ペア:

[(1, 28270256), (2, 14135128), (4, 7067564), (7, 4038608), (8, 3533782), (14, 2019304), (16, 1766891), (28, 1009652), (49, 576944), (56, 504826), (98, 288472), (107, 264208), (112, 252413), (196, 144236), (214, 132104), (337, 83888), (392, 72118), (428, 66052), (674, 41944), (749, 37744), (784, 36059), (856, 33026), (1348, 20972), (1498, 18872), (1712, 16513), (2359, 11984), (2696, 10486), (2996, 9436), (4718, 5992), (5243, 5392)]