28134236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{563}}^1$

素因数の和:642

約数の個数: 36

約数和(自身を含む): 54885096

約数和(自身を除く): 26750860

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 563, 806, 961, 1126, 1612, 1922, 2252, 3844, 7319, 12493, 14638, 17453, 24986, 29276, 34906, 49972, 69812, 226889, 453778, 541043, 907556, 1082086, 2164172, 7033559, 14067118, 28134236]

約数ペア:

[(1, 28134236), (2, 14067118), (4, 7033559), (13, 2164172), (26, 1082086), (31, 907556), (52, 541043), (62, 453778), (124, 226889), (403, 69812), (563, 49972), (806, 34906), (961, 29276), (1126, 24986), (1612, 17453), (1922, 14638), (2252, 12493), (3844, 7319)]