28195286

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1833

約数の個数: 32

約数和(自身を含む): 51494400

約数和(自身を除く): 23299114

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 343, 686, 1127, 1787, 2254, 3574, 7889, 12509, 15778, 25018, 41101, 82202, 87563, 175126, 287707, 575414, 612941, 1225882, 2013949, 4027898, 14097643, 28195286]

約数ペア:

[(1, 28195286), (2, 14097643), (7, 4027898), (14, 2013949), (23, 1225882), (46, 612941), (49, 575414), (98, 287707), (161, 175126), (322, 87563), (343, 82202), (686, 41101), (1127, 25018), (1787, 15778), (2254, 12509), (3574, 7889)]