81557747

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{967}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 90140160

約数和(自身を除く): 8582413

約数列:

[1, 19, 23, 193, 437, 967, 3667, 4439, 18373, 22241, 84341, 186631, 422579, 3545989, 4292513, 81557747]

約数ペア:

[(1, 81557747), (19, 4292513), (23, 3545989), (193, 422579), (437, 186631), (967, 84341), (3667, 22241), (4439, 18373)]