203906178

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1100

約数の個数: 96

約数和(自身を含む): 534822912

約数和(自身を除く): 330916734

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 71, 126, 138, 142, 161, 207, 213, 322, 414, 426, 483, 497, 639, 966, 991, 994, 1278, 1449, 1491, 1633, 1982, 2898, 2973, 2982, 3266, 4473, 4899, 5946, 6937, 8919, 8946, 9798, 11431, 13874, 14697, 17838, 20811, 22793, 22862, 29394, 34293, 41622, 45586, 62433, 68379, 68586, 70361, 102879, 124866, 136758, 140722, 159551, 205137, 205758, 211083, 319102, 410274, 422166, 478653, 492527, 633249, 957306, 985054, 1266498, 1435959, 1477581, 1618303, 2871918, 2955162, 3236606, 4432743, 4854909, 8865486, 9709818, 11328121, 14564727, 22656242, 29129454, 33984363, 67968726, 101953089, 203906178]

約数ペア:

[(1, 203906178), (2, 101953089), (3, 67968726), (6, 33984363), (7, 29129454), (9, 22656242), (14, 14564727), (18, 11328121), (21, 9709818), (23, 8865486), (42, 4854909), (46, 4432743), (63, 3236606), (69, 2955162), (71, 2871918), (126, 1618303), (138, 1477581), (142, 1435959), (161, 1266498), (207, 985054), (213, 957306), (322, 633249), (414, 492527), (426, 478653), (483, 422166), (497, 410274), (639, 319102), (966, 211083), (991, 205758), (994, 205137), (1278, 159551), (1449, 140722), (1491, 136758), (1633, 124866), (1982, 102879), (2898, 70361), (2973, 68586), (2982, 68379), (3266, 62433), (4473, 45586), (4899, 41622), (5946, 34293), (6937, 29394), (8919, 22862), (8946, 22793), (9798, 20811), (11431, 17838), (13874, 14697)]