28857295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 10126385

約数列:

[1, 5, 19, 23, 47, 95, 115, 235, 281, 437, 893, 1081, 1405, 2185, 4465, 5339, 5405, 6463, 13207, 20539, 26695, 32315, 66035, 102695, 122797, 250933, 303761, 613985, 1254665, 1518805, 5771459, 28857295]

約数ペア:

[(1, 28857295), (5, 5771459), (19, 1518805), (23, 1254665), (47, 613985), (95, 303761), (115, 250933), (235, 122797), (281, 102695), (437, 66035), (893, 32315), (1081, 26695), (1405, 20539), (2185, 13207), (4465, 6463), (5339, 5405)]