81158308

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37643}}^1$

素因数の和:37672

約数の個数: 36

約数和(自身を含む): 180239472

約数和(自身を除く): 99081164

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 37643, 75286, 150572, 263501, 414073, 527002, 828146, 1054004, 1656292, 1844507, 2898511, 3689014, 5797022, 7378028, 11594044, 20289577, 40579154, 81158308]

約数ペア:

[(1, 81158308), (2, 40579154), (4, 20289577), (7, 11594044), (11, 7378028), (14, 5797022), (22, 3689014), (28, 2898511), (44, 1844507), (49, 1656292), (77, 1054004), (98, 828146), (154, 527002), (196, 414073), (308, 263501), (539, 150572), (1078, 75286), (2156, 37643)]