28438288

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{673}}^1$

素因数の和:839

約数の個数: 40

約数和(自身を含む): 58503200

約数和(自身を除く): 30064912

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 139, 152, 278, 304, 556, 673, 1112, 1346, 2224, 2641, 2692, 5282, 5384, 10564, 10768, 12787, 21128, 25574, 42256, 51148, 93547, 102296, 187094, 204592, 374188, 748376, 1496752, 1777393, 3554786, 7109572, 14219144, 28438288]

約数ペア:

[(1, 28438288), (2, 14219144), (4, 7109572), (8, 3554786), (16, 1777393), (19, 1496752), (38, 748376), (76, 374188), (139, 204592), (152, 187094), (278, 102296), (304, 93547), (556, 51148), (673, 42256), (1112, 25574), (1346, 21128), (2224, 12787), (2641, 10768), (2692, 10564), (5282, 5384)]