81991728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6257}}^1$

素因数の和:6291

約数の個数: 120

約数和(自身を含む): 282461088

約数和(自身を除く): 200469360

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1638, 1872, 2184, 3276, 4368, 6257, 6552, 12514, 13104, 18771, 25028, 37542, 43799, 50056, 56313, 75084, 81341, 87598, 100112, 112626, 131397, 150168, 162682, 175196, 225252, 244023, 262794, 300336, 325364, 350392, 394191, 450504, 488046, 525588, 569387, 650728, 700784, 732069, 788382, 901008, 976092, 1051176, 1138774, 1301456, 1464138, 1576764, 1708161, 1952184, 2102352, 2277548, 2928276, 3153528, 3416322, 3904368, 4555096, 5124483, 5856552, 6307056, 6832644, 9110192, 10248966, 11713104, 13665288, 20497932, 27330576, 40995864, 81991728]

約数ペア:

[(1, 81991728), (2, 40995864), (3, 27330576), (4, 20497932), (6, 13665288), (7, 11713104), (8, 10248966), (9, 9110192), (12, 6832644), (13, 6307056), (14, 5856552), (16, 5124483), (18, 4555096), (21, 3904368), (24, 3416322), (26, 3153528), (28, 2928276), (36, 2277548), (39, 2102352), (42, 1952184), (48, 1708161), (52, 1576764), (56, 1464138), (63, 1301456), (72, 1138774), (78, 1051176), (84, 976092), (91, 901008), (104, 788382), (112, 732069), (117, 700784), (126, 650728), (144, 569387), (156, 525588), (168, 488046), (182, 450504), (208, 394191), (234, 350392), (252, 325364), (273, 300336), (312, 262794), (336, 244023), (364, 225252), (468, 175196), (504, 162682), (546, 150168), (624, 131397), (728, 112626), (819, 100112), (936, 87598), (1008, 81341), (1092, 75084), (1456, 56313), (1638, 50056), (1872, 43799), (2184, 37542), (3276, 25028), (4368, 18771), (6257, 13104), (6552, 12514)]