858640016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 1831768176

約数和(自身を除く): 973128160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 193, 208, 292, 293, 386, 584, 586, 772, 949, 1168, 1172, 1544, 1898, 2344, 2509, 3088, 3796, 3809, 4688, 5018, 7592, 7618, 10036, 14089, 15184, 15236, 20072, 21389, 28178, 30472, 40144, 42778, 56356, 56549, 60944, 85556, 112712, 113098, 171112, 183157, 225424, 226196, 278057, 342224, 366314, 452392, 556114, 732628, 735137, 904784, 1112228, 1465256, 1470274, 2224456, 2930512, 2940548, 4128077, 4448912, 5881096, 8256154, 11762192, 16512308, 33024616, 53665001, 66049232, 107330002, 214660004, 429320008, 858640016]

約数ペア:

[(1, 858640016), (2, 429320008), (4, 214660004), (8, 107330002), (13, 66049232), (16, 53665001), (26, 33024616), (52, 16512308), (73, 11762192), (104, 8256154), (146, 5881096), (193, 4448912), (208, 4128077), (292, 2940548), (293, 2930512), (386, 2224456), (584, 1470274), (586, 1465256), (772, 1112228), (949, 904784), (1168, 735137), (1172, 732628), (1544, 556114), (1898, 452392), (2344, 366314), (2509, 342224), (3088, 278057), (3796, 226196), (3809, 225424), (4688, 183157), (5018, 171112), (7592, 113098), (7618, 112712), (10036, 85556), (14089, 60944), (15184, 56549), (15236, 56356), (20072, 42778), (21389, 40144), (28178, 30472)]