28238728

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10729}}^1$

素因数の和:10789

約数の個数: 32

約数和(自身を含む): 61804800

約数和(自身を除く): 33566072

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 10729, 21458, 42916, 75103, 85832, 150206, 300412, 504263, 600824, 1008526, 2017052, 3529841, 4034104, 7059682, 14119364, 28238728]

約数ペア:

[(1, 28238728), (2, 14119364), (4, 7059682), (7, 4034104), (8, 3529841), (14, 2017052), (28, 1008526), (47, 600824), (56, 504263), (94, 300412), (188, 150206), (329, 85832), (376, 75103), (658, 42916), (1316, 21458), (2632, 10729)]