78857156

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{122449}}^1$

素因数の和:122483

約数の個数: 24

約数和(自身を含む): 164572800

約数和(自身を除く): 85715644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 122449, 244898, 489796, 857143, 1714286, 2816327, 3428572, 5632654, 11265308, 19714289, 39428578, 78857156]

約数ペア:

[(1, 78857156), (2, 39428578), (4, 19714289), (7, 11265308), (14, 5632654), (23, 3428572), (28, 2816327), (46, 1714286), (92, 857143), (161, 489796), (322, 244898), (644, 122449)]