221821912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2132903}}^1$

素因数の和:2132922

約数の個数: 16

約数和(自身を含む): 447909840

約数和(自身を除く): 226087928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2132903, 4265806, 8531612, 17063224, 27727739, 55455478, 110910956, 221821912]

約数ペア:

[(1, 221821912), (2, 110910956), (4, 55455478), (8, 27727739), (13, 17063224), (26, 8531612), (52, 4265806), (104, 2132903)]