28905976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7639}}^1$

素因数の和:7699

約数の個数: 32

約数和(自身を含む): 60508800

約数和(自身を除く): 31602824

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 7639, 15278, 30556, 61112, 84029, 168058, 328477, 336116, 656954, 672232, 1313908, 2627816, 3613247, 7226494, 14452988, 28905976]

約数ペア:

[(1, 28905976), (2, 14452988), (4, 7226494), (8, 3613247), (11, 2627816), (22, 1313908), (43, 672232), (44, 656954), (86, 336116), (88, 328477), (172, 168058), (344, 84029), (473, 61112), (946, 30556), (1892, 15278), (3784, 7639)]