78547976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 168806400

約数和(自身を除く): 90258424

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 127, 152, 247, 254, 313, 494, 508, 626, 988, 1016, 1252, 1651, 1976, 2413, 2504, 3302, 4069, 4826, 5947, 6604, 8138, 9652, 11894, 13208, 16276, 19304, 23788, 31369, 32552, 39751, 47576, 62738, 77311, 79502, 125476, 154622, 159004, 250952, 309244, 318008, 516763, 618488, 755269, 1033526, 1510538, 2067052, 3021076, 4134104, 6042152, 9818497, 19636994, 39273988, 78547976]

約数ペア:

[(1, 78547976), (2, 39273988), (4, 19636994), (8, 9818497), (13, 6042152), (19, 4134104), (26, 3021076), (38, 2067052), (52, 1510538), (76, 1033526), (104, 755269), (127, 618488), (152, 516763), (247, 318008), (254, 309244), (313, 250952), (494, 159004), (508, 154622), (626, 125476), (988, 79502), (1016, 77311), (1252, 62738), (1651, 47576), (1976, 39751), (2413, 32552), (2504, 31369), (3302, 23788), (4069, 19304), (4826, 16276), (5947, 13208), (6604, 11894), (8138, 9652)]