28218876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17681}}^1$

素因数の和:17714

約数の個数: 48

約数和(自身を含む): 79215360

約数和(自身を除く): 50996484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 17681, 35362, 53043, 70724, 106086, 123767, 212172, 247534, 335939, 371301, 495068, 671878, 742602, 1007817, 1343756, 1485204, 2015634, 2351573, 4031268, 4703146, 7054719, 9406292, 14109438, 28218876]

約数ペア:

[(1, 28218876), (2, 14109438), (3, 9406292), (4, 7054719), (6, 4703146), (7, 4031268), (12, 2351573), (14, 2015634), (19, 1485204), (21, 1343756), (28, 1007817), (38, 742602), (42, 671878), (57, 495068), (76, 371301), (84, 335939), (114, 247534), (133, 212172), (228, 123767), (266, 106086), (399, 70724), (532, 53043), (798, 35362), (1596, 17681)]