28649283

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 46314240

約数和(自身を除く): 17664957

約数列:

[1, 3, 13, 19, 23, 39, 41, 57, 69, 123, 247, 299, 437, 533, 741, 779, 897, 943, 1311, 1599, 1681, 2337, 2829, 5043, 5681, 10127, 12259, 17043, 17917, 21853, 30381, 31939, 36777, 38663, 53751, 65559, 95817, 115989, 232921, 415207, 502619, 698763, 734597, 1245621, 1507857, 2203791, 9549761, 28649283]

約数ペア:

[(1, 28649283), (3, 9549761), (13, 2203791), (19, 1507857), (23, 1245621), (39, 734597), (41, 698763), (57, 502619), (69, 415207), (123, 232921), (247, 115989), (299, 95817), (437, 65559), (533, 53751), (741, 38663), (779, 36777), (897, 31939), (943, 30381), (1311, 21853), (1599, 17917), (1681, 17043), (2337, 12259), (2829, 10127), (5043, 5681)]