1247778896

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{2543}}^1$

素因数の和:2908

約数の個数: 80

約数和(自身を含む): 2985475584

約数和(自身を除く): 1737696688

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 337, 364, 674, 728, 1348, 1456, 2359, 2543, 2696, 4381, 4718, 5086, 5392, 8762, 9436, 10172, 17524, 17801, 18872, 20344, 30667, 33059, 35048, 35602, 37744, 40688, 61334, 66118, 70096, 71204, 122668, 132236, 142408, 231413, 245336, 264472, 284816, 462826, 490672, 528944, 856991, 925652, 1713982, 1851304, 3427964, 3702608, 5998937, 6855928, 11140883, 11997874, 13711856, 22281766, 23995748, 44563532, 47991496, 77986181, 89127064, 95982992, 155972362, 178254128, 311944724, 623889448, 1247778896]

約数ペア:

[(1, 1247778896), (2, 623889448), (4, 311944724), (7, 178254128), (8, 155972362), (13, 95982992), (14, 89127064), (16, 77986181), (26, 47991496), (28, 44563532), (52, 23995748), (56, 22281766), (91, 13711856), (104, 11997874), (112, 11140883), (182, 6855928), (208, 5998937), (337, 3702608), (364, 3427964), (674, 1851304), (728, 1713982), (1348, 925652), (1456, 856991), (2359, 528944), (2543, 490672), (2696, 462826), (4381, 284816), (4718, 264472), (5086, 245336), (5392, 231413), (8762, 142408), (9436, 132236), (10172, 122668), (17524, 71204), (17801, 70096), (18872, 66118), (20344, 61334), (30667, 40688), (33059, 37744), (35048, 35602)]