81531646

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1471}}^1$

素因数の和:1624

約数の個数: 32

約数和(自身を含む): 144986112

約数和(自身を除く): 63454466

約数列:

[1, 2, 7, 14, 37, 74, 107, 214, 259, 518, 749, 1471, 1498, 2942, 3959, 7918, 10297, 20594, 27713, 54427, 55426, 108854, 157397, 314794, 380989, 761978, 1101779, 2203558, 5823689, 11647378, 40765823, 81531646]

約数ペア:

[(1, 81531646), (2, 40765823), (7, 11647378), (14, 5823689), (37, 2203558), (74, 1101779), (107, 761978), (214, 380989), (259, 314794), (518, 157397), (749, 108854), (1471, 55426), (1498, 54427), (2942, 27713), (3959, 20594), (7918, 10297)]