2587988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 4923912

約数和(自身を除く): 2335924

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 317, 628, 634, 1268, 2041, 4082, 4121, 8164, 8242, 16484, 49769, 99538, 199076, 646997, 1293994, 2587988]

約数ペア:

[(1, 2587988), (2, 1293994), (4, 646997), (13, 199076), (26, 99538), (52, 49769), (157, 16484), (314, 8242), (317, 8164), (628, 4121), (634, 4082), (1268, 2041)]