28687878

素因数分解:

$2^1\times 3^3\times {\mathrm{347}}^1\times {\mathrm{1531}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 63976320

約数和(自身を除く): 35288442

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 347, 694, 1041, 1531, 2082, 3062, 3123, 4593, 6246, 9186, 9369, 13779, 18738, 27558, 41337, 82674, 531257, 1062514, 1593771, 3187542, 4781313, 9562626, 14343939, 28687878]

約数ペア:

[(1, 28687878), (2, 14343939), (3, 9562626), (6, 4781313), (9, 3187542), (18, 1593771), (27, 1062514), (54, 531257), (347, 82674), (694, 41337), (1041, 27558), (1531, 18738), (2082, 13779), (3062, 9369), (3123, 9186), (4593, 6246)]