218989144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{4987}}^1$

素因数の和:5503

約数の個数: 32

約数和(自身を含む): 448920000

約数和(自身を除く): 229930856

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 499, 998, 1996, 3992, 4987, 5489, 9974, 10978, 19948, 21956, 39896, 43912, 54857, 109714, 219428, 438856, 2488513, 4977026, 9954052, 19908104, 27373643, 54747286, 109494572, 218989144]

約数ペア:

[(1, 218989144), (2, 109494572), (4, 54747286), (8, 27373643), (11, 19908104), (22, 9954052), (44, 4977026), (88, 2488513), (499, 438856), (998, 219428), (1996, 109714), (3992, 54857), (4987, 43912), (5489, 39896), (9974, 21956), (10978, 19948)]