218360128

素因数分解:

$2^6\times 7^1\times {\mathrm{601}}^1\times {\mathrm{811}}^1$

素因数の和:1431

約数の個数: 56

約数和(自身を含む): 496645184

約数和(自身を除く): 278285056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 601, 811, 1202, 1622, 2404, 3244, 4207, 4808, 5677, 6488, 8414, 9616, 11354, 12976, 16828, 19232, 22708, 25952, 33656, 38464, 45416, 51904, 67312, 90832, 134624, 181664, 269248, 363328, 487411, 974822, 1949644, 3411877, 3899288, 6823754, 7798576, 13647508, 15597152, 27295016, 31194304, 54590032, 109180064, 218360128]

約数ペア:

[(1, 218360128), (2, 109180064), (4, 54590032), (7, 31194304), (8, 27295016), (14, 15597152), (16, 13647508), (28, 7798576), (32, 6823754), (56, 3899288), (64, 3411877), (112, 1949644), (224, 974822), (448, 487411), (601, 363328), (811, 269248), (1202, 181664), (1622, 134624), (2404, 90832), (3244, 67312), (4207, 51904), (4808, 45416), (5677, 38464), (6488, 33656), (8414, 25952), (9616, 22708), (11354, 19232), (12976, 16828)]