16666648

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 34290000

約数和(自身を除く): 17623352

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 199, 232, 361, 398, 551, 722, 796, 1102, 1444, 1592, 2204, 2888, 3781, 4408, 5771, 7562, 10469, 11542, 15124, 20938, 23084, 30248, 41876, 46168, 71839, 83752, 109649, 143678, 219298, 287356, 438596, 574712, 877192, 2083331, 4166662, 8333324, 16666648]

約数ペア:

[(1, 16666648), (2, 8333324), (4, 4166662), (8, 2083331), (19, 877192), (29, 574712), (38, 438596), (58, 287356), (76, 219298), (116, 143678), (152, 109649), (199, 83752), (232, 71839), (361, 46168), (398, 41876), (551, 30248), (722, 23084), (796, 20938), (1102, 15124), (1444, 11542), (1592, 10469), (2204, 7562), (2888, 5771), (3781, 4408)]