205474468

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 383423040

約数和(自身を除く): 177948572

約数列:

[1, 2, 4, 37, 43, 74, 83, 86, 148, 166, 172, 332, 389, 778, 1556, 1591, 3071, 3182, 3569, 6142, 6364, 7138, 12284, 14276, 14393, 16727, 28786, 32287, 33454, 57572, 64574, 66908, 129148, 132053, 264106, 528212, 618899, 1194619, 1237798, 1388341, 2389238, 2475596, 2776682, 4778476, 5553364, 51368617, 102737234, 205474468]

約数ペア:

[(1, 205474468), (2, 102737234), (4, 51368617), (37, 5553364), (43, 4778476), (74, 2776682), (83, 2475596), (86, 2389238), (148, 1388341), (166, 1237798), (172, 1194619), (332, 618899), (389, 528212), (778, 264106), (1556, 132053), (1591, 129148), (3071, 66908), (3182, 64574), (3569, 57572), (6142, 33454), (6364, 32287), (7138, 28786), (12284, 16727), (14276, 14393)]