220710544

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{509}}^1\times {\mathrm{661}}^1$

素因数の和:1219

約数の個数: 40

約数和(自身を含む): 439581240

約数和(自身を除く): 218870696

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 509, 656, 661, 1018, 1322, 2036, 2644, 4072, 5288, 8144, 10576, 20869, 27101, 41738, 54202, 83476, 108404, 166952, 216808, 333904, 336449, 433616, 672898, 1345796, 2691592, 5383184, 13794409, 27588818, 55177636, 110355272, 220710544]

約数ペア:

[(1, 220710544), (2, 110355272), (4, 55177636), (8, 27588818), (16, 13794409), (41, 5383184), (82, 2691592), (164, 1345796), (328, 672898), (509, 433616), (656, 336449), (661, 333904), (1018, 216808), (1322, 166952), (2036, 108404), (2644, 83476), (4072, 54202), (5288, 41738), (8144, 27101), (10576, 20869)]