2580556

素因数分解:

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

素因数の和:501

約数の個数: 24

約数和(自身を含む): 4967424

約数和(自身を除く): 2386868

約数列:

[1, 2, 4, 11, 22, 44, 223, 263, 446, 526, 892, 1052, 2453, 2893, 4906, 5786, 9812, 11572, 58649, 117298, 234596, 645139, 1290278, 2580556]

約数ペア:

[(1, 2580556), (2, 1290278), (4, 645139), (11, 234596), (22, 117298), (44, 58649), (223, 11572), (263, 9812), (446, 5786), (526, 4906), (892, 2893), (1052, 2453)]