777768572

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2861}}^1$

素因数の和:2971

約数の個数: 72

約数和(自身を含む): 1690068240

約数和(自身を除く): 912299668

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 73, 76, 98, 133, 146, 196, 266, 292, 511, 532, 931, 1022, 1387, 1862, 2044, 2774, 2861, 3577, 3724, 5548, 5722, 7154, 9709, 11444, 14308, 19418, 20027, 38836, 40054, 54359, 67963, 80108, 108718, 135926, 140189, 208853, 217436, 271852, 280378, 380513, 417706, 560756, 761026, 835412, 1461971, 1522052, 2663591, 2923942, 3968207, 5327182, 5847884, 7936414, 10233797, 10654364, 15872828, 20467594, 27777449, 40935188, 55554898, 111109796, 194442143, 388884286, 777768572]

約数ペア:

[(1, 777768572), (2, 388884286), (4, 194442143), (7, 111109796), (14, 55554898), (19, 40935188), (28, 27777449), (38, 20467594), (49, 15872828), (73, 10654364), (76, 10233797), (98, 7936414), (133, 5847884), (146, 5327182), (196, 3968207), (266, 2923942), (292, 2663591), (511, 1522052), (532, 1461971), (931, 835412), (1022, 761026), (1387, 560756), (1862, 417706), (2044, 380513), (2774, 280378), (2861, 271852), (3577, 217436), (3724, 208853), (5548, 140189), (5722, 135926), (7154, 108718), (9709, 80108), (11444, 67963), (14308, 54359), (19418, 40054), (20027, 38836)]