128835784

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1051}}^1$

素因数の和:1274

約数の個数: 64

約数和(自身を含む): 302976000

約数和(自身を除く): 174140216

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 199, 308, 398, 616, 796, 1051, 1393, 1592, 2102, 2189, 2786, 4204, 4378, 5572, 7357, 8408, 8756, 11144, 11561, 14714, 15323, 17512, 23122, 29428, 30646, 46244, 58856, 61292, 80927, 92488, 122584, 161854, 209149, 323708, 418298, 647416, 836596, 1464043, 1673192, 2300639, 2928086, 4601278, 5856172, 9202556, 11712344, 16104473, 18405112, 32208946, 64417892, 128835784]

約数ペア:

[(1, 128835784), (2, 64417892), (4, 32208946), (7, 18405112), (8, 16104473), (11, 11712344), (14, 9202556), (22, 5856172), (28, 4601278), (44, 2928086), (56, 2300639), (77, 1673192), (88, 1464043), (154, 836596), (199, 647416), (308, 418298), (398, 323708), (616, 209149), (796, 161854), (1051, 122584), (1393, 92488), (1592, 80927), (2102, 61292), (2189, 58856), (2786, 46244), (4204, 30646), (4378, 29428), (5572, 23122), (7357, 17512), (8408, 15323), (8756, 14714), (11144, 11561)]