1990728

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 5525520

約数和(自身を除く): 3534792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 643, 774, 1032, 1286, 1548, 1929, 2572, 3096, 3858, 5144, 5787, 7716, 11574, 15432, 23148, 27649, 46296, 55298, 82947, 110596, 165894, 221192, 248841, 331788, 497682, 663576, 995364, 1990728]

約数ペア:

[(1, 1990728), (2, 995364), (3, 663576), (4, 497682), (6, 331788), (8, 248841), (9, 221192), (12, 165894), (18, 110596), (24, 82947), (36, 55298), (43, 46296), (72, 27649), (86, 23148), (129, 15432), (172, 11574), (258, 7716), (344, 5787), (387, 5144), (516, 3858), (643, 3096), (774, 2572), (1032, 1929), (1286, 1548)]