1285704784

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{38393}}^1$

素因数の和:38444

約数の個数: 80

約数和(自身を含む): 3199295232

約数和(自身を除く): 1913590448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 299, 322, 364, 368, 598, 644, 728, 1196, 1288, 1456, 2093, 2392, 2576, 4186, 4784, 8372, 16744, 33488, 38393, 76786, 153572, 268751, 307144, 499109, 537502, 614288, 883039, 998218, 1075004, 1766078, 1996436, 2150008, 3493763, 3532156, 3992872, 4300016, 6181273, 6987526, 7064312, 7985744, 11479507, 12362546, 13975052, 14128624, 22959014, 24725092, 27950104, 45918028, 49450184, 55900208, 80356549, 91836056, 98900368, 160713098, 183672112, 321426196, 642852392, 1285704784]

約数ペア:

[(1, 1285704784), (2, 642852392), (4, 321426196), (7, 183672112), (8, 160713098), (13, 98900368), (14, 91836056), (16, 80356549), (23, 55900208), (26, 49450184), (28, 45918028), (46, 27950104), (52, 24725092), (56, 22959014), (91, 14128624), (92, 13975052), (104, 12362546), (112, 11479507), (161, 7985744), (182, 7064312), (184, 6987526), (208, 6181273), (299, 4300016), (322, 3992872), (364, 3532156), (368, 3493763), (598, 2150008), (644, 1996436), (728, 1766078), (1196, 1075004), (1288, 998218), (1456, 883039), (2093, 614288), (2392, 537502), (2576, 499109), (4186, 307144), (4784, 268751), (8372, 153572), (16744, 76786), (33488, 38393)]