644920289279

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{643}}^1\times {\mathrm{5419}}^1$

素因数の和:6399

約数の個数: 32

約数和(自身を含む): 747577044480

約数和(自身を除く): 102656755201

約数列:

[1, 7, 137, 193, 643, 959, 1351, 4501, 5419, 26441, 37933, 88091, 124099, 185087, 616637, 742403, 868693, 1045867, 3484417, 5196821, 7321069, 17001563, 24390919, 119010941, 143283779, 477365129, 672492481, 1002986453, 3341555903, 4707447367, 92131469897, 644920289279]

約数ペア:

[(1, 644920289279), (7, 92131469897), (137, 4707447367), (193, 3341555903), (643, 1002986453), (959, 672492481), (1351, 477365129), (4501, 143283779), (5419, 119010941), (26441, 24390919), (37933, 17001563), (88091, 7321069), (124099, 5196821), (185087, 3484417), (616637, 1045867), (742403, 868693)]