81257442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{1549}}^1$

素因数の和:2810

約数の個数: 32

約数和(自身を含む): 186000000

約数和(自身を除く): 104742558

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1249, 1549, 2498, 3098, 3747, 4647, 7494, 8743, 9294, 10843, 17486, 21686, 26229, 32529, 52458, 65058, 1934701, 3869402, 5804103, 11608206, 13542907, 27085814, 40628721, 81257442]

約数ペア:

[(1, 81257442), (2, 40628721), (3, 27085814), (6, 13542907), (7, 11608206), (14, 5804103), (21, 3869402), (42, 1934701), (1249, 65058), (1549, 52458), (2498, 32529), (3098, 26229), (3747, 21686), (4647, 17486), (7494, 10843), (8743, 9294)]