215405008

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{439}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 516355840

約数和(自身を除く): 300950832

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 337, 364, 439, 674, 728, 878, 1348, 1456, 1756, 2359, 2696, 3073, 3512, 4381, 4718, 5392, 5707, 6146, 7024, 8762, 9436, 11414, 12292, 17524, 18872, 22828, 24584, 30667, 35048, 37744, 39949, 45656, 49168, 61334, 70096, 79898, 91312, 122668, 147943, 159796, 245336, 295886, 319592, 490672, 591772, 639184, 1035601, 1183544, 1923259, 2071202, 2367088, 3846518, 4142404, 7693036, 8284808, 13462813, 15386072, 16569616, 26925626, 30772144, 53851252, 107702504, 215405008]

約数ペア:

[(1, 215405008), (2, 107702504), (4, 53851252), (7, 30772144), (8, 26925626), (13, 16569616), (14, 15386072), (16, 13462813), (26, 8284808), (28, 7693036), (52, 4142404), (56, 3846518), (91, 2367088), (104, 2071202), (112, 1923259), (182, 1183544), (208, 1035601), (337, 639184), (364, 591772), (439, 490672), (674, 319592), (728, 295886), (878, 245336), (1348, 159796), (1456, 147943), (1756, 122668), (2359, 91312), (2696, 79898), (3073, 70096), (3512, 61334), (4381, 49168), (4718, 45656), (5392, 39949), (5707, 37744), (6146, 35048), (7024, 30667), (8762, 24584), (9436, 22828), (11414, 18872), (12292, 17524)]