858997412

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{54881}}^1$

素因数の和:54948

約数の個数: 48

約数和(自身を含む): 1893209472

約数和(自身を除く): 1034212060

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 172, 182, 301, 364, 559, 602, 1118, 1204, 2236, 3913, 7826, 15652, 54881, 109762, 219524, 384167, 713453, 768334, 1426906, 1536668, 2359883, 2853812, 4719766, 4994171, 9439532, 9988342, 16519181, 19976684, 30678479, 33038362, 61356958, 66076724, 122713916, 214749353, 429498706, 858997412]

約数ペア:

[(1, 858997412), (2, 429498706), (4, 214749353), (7, 122713916), (13, 66076724), (14, 61356958), (26, 33038362), (28, 30678479), (43, 19976684), (52, 16519181), (86, 9988342), (91, 9439532), (172, 4994171), (182, 4719766), (301, 2853812), (364, 2359883), (559, 1536668), (602, 1426906), (1118, 768334), (1204, 713453), (2236, 384167), (3913, 219524), (7826, 109762), (15652, 54881)]