80984638

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1979}}^1$

素因数の和:2104

約数の個数: 32

約数和(自身を含む): 144460800

約数和(自身を除く): 63476162

約数列:

[1, 2, 7, 14, 37, 74, 79, 158, 259, 518, 553, 1106, 1979, 2923, 3958, 5846, 13853, 20461, 27706, 40922, 73223, 146446, 156341, 312682, 512561, 1025122, 1094387, 2188774, 5784617, 11569234, 40492319, 80984638]

約数ペア:

[(1, 80984638), (2, 40492319), (7, 11569234), (14, 5784617), (37, 2188774), (74, 1094387), (79, 1025122), (158, 512561), (259, 312682), (518, 156341), (553, 146446), (1106, 73223), (1979, 40922), (2923, 27706), (3958, 20461), (5846, 13853)]