2056520137

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 2487158784

約数和(自身を除く): 430638647

約数列:

[1, 7, 23, 131, 161, 281, 347, 917, 1967, 2429, 3013, 6463, 7981, 21091, 36811, 45241, 45457, 55867, 97507, 257677, 318199, 682549, 846653, 1045511, 2242661, 5926571, 7318577, 12773417, 15698627, 89413919, 293788591, 2056520137]

約数ペア:

[(1, 2056520137), (7, 293788591), (23, 89413919), (131, 15698627), (161, 12773417), (281, 7318577), (347, 5926571), (917, 2242661), (1967, 1045511), (2429, 846653), (3013, 682549), (6463, 318199), (7981, 257677), (21091, 97507), (36811, 55867), (45241, 45457)]