12891208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{557}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 26516160

約数和(自身を除く): 13624952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 263, 526, 557, 1052, 1114, 2104, 2228, 2893, 4456, 5786, 6127, 11572, 12254, 23144, 24508, 49016, 146491, 292982, 585964, 1171928, 1611401, 3222802, 6445604, 12891208]

約数ペア:

[(1, 12891208), (2, 6445604), (4, 3222802), (8, 1611401), (11, 1171928), (22, 585964), (44, 292982), (88, 146491), (263, 49016), (526, 24508), (557, 23144), (1052, 12254), (1114, 11572), (2104, 6127), (2228, 5786), (2893, 4456)]