208921128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1987}}^1$

素因数の和:2346

約数の個数: 64

約数和(自身を含む): 564432960

約数和(自身を除く): 355511832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 337, 674, 1011, 1348, 1987, 2022, 2696, 3974, 4044, 4381, 5961, 7948, 8088, 8762, 11922, 13143, 15896, 17524, 23844, 25831, 26286, 35048, 47688, 51662, 52572, 77493, 103324, 105144, 154986, 206648, 309972, 619944, 669619, 1339238, 2008857, 2678476, 4017714, 5356952, 8035428, 8705047, 16070856, 17410094, 26115141, 34820188, 52230282, 69640376, 104460564, 208921128]

約数ペア:

[(1, 208921128), (2, 104460564), (3, 69640376), (4, 52230282), (6, 34820188), (8, 26115141), (12, 17410094), (13, 16070856), (24, 8705047), (26, 8035428), (39, 5356952), (52, 4017714), (78, 2678476), (104, 2008857), (156, 1339238), (312, 669619), (337, 619944), (674, 309972), (1011, 206648), (1348, 154986), (1987, 105144), (2022, 103324), (2696, 77493), (3974, 52572), (4044, 51662), (4381, 47688), (5961, 35048), (7948, 26286), (8088, 25831), (8762, 23844), (11922, 17524), (13143, 15896)]