28180304

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{12671}}^1$

素因数の和:12818

約数の個数: 20

約数和(自身を含む): 54996480

約数和(自身を除く): 26816176

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 12671, 25342, 50684, 101368, 202736, 1761269, 3522538, 7045076, 14090152, 28180304]

約数ペア:

[(1, 28180304), (2, 14090152), (4, 7045076), (8, 3522538), (16, 1761269), (139, 202736), (278, 101368), (556, 50684), (1112, 25342), (2224, 12671)]