28161684

素因数分解:

$2^2\times 3^2\times {\mathrm{199}}^1\times {\mathrm{3931}}^1$

素因数の和:4140

約数の個数: 36

約数和(自身を含む): 71562400

約数和(自身を除く): 43400716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 199, 398, 597, 796, 1194, 1791, 2388, 3582, 3931, 7164, 7862, 11793, 15724, 23586, 35379, 47172, 70758, 141516, 782269, 1564538, 2346807, 3129076, 4693614, 7040421, 9387228, 14080842, 28161684]

約数ペア:

[(1, 28161684), (2, 14080842), (3, 9387228), (4, 7040421), (6, 4693614), (9, 3129076), (12, 2346807), (18, 1564538), (36, 782269), (199, 141516), (398, 70758), (597, 47172), (796, 35379), (1194, 23586), (1791, 15724), (2388, 11793), (3582, 7862), (3931, 7164)]