219992399

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 251682816

約数和(自身を除く): 31690417

約数列:

[1, 11, 31, 121, 223, 263, 341, 2453, 2893, 3751, 6913, 8153, 26983, 31823, 58649, 76043, 89683, 645139, 836473, 986513, 1818119, 7096529, 19999309, 219992399]

約数ペア:

[(1, 219992399), (11, 19999309), (31, 7096529), (121, 1818119), (223, 986513), (263, 836473), (341, 645139), (2453, 89683), (2893, 76043), (3751, 58649), (6913, 31823), (8153, 26983)]