2189836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 4220496

約数和(自身を除く): 2030660

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 317, 628, 634, 1268, 1727, 3454, 3487, 6908, 6974, 13948, 49769, 99538, 199076, 547459, 1094918, 2189836]

約数ペア:

[(1, 2189836), (2, 1094918), (4, 547459), (11, 199076), (22, 99538), (44, 49769), (157, 13948), (314, 6974), (317, 6908), (628, 3487), (634, 3454), (1268, 1727)]