28409256

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1093}}^1$

素因数の和:1143

約数の個数: 72

約数和(自身を含む): 81278730

約数和(自身を除く): 52869474

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 684, 722, 1083, 1093, 1368, 1444, 2166, 2186, 2888, 3249, 3279, 4332, 4372, 6498, 6558, 8664, 8744, 9837, 12996, 13116, 19674, 20767, 25992, 26232, 39348, 41534, 62301, 78696, 83068, 124602, 166136, 186903, 249204, 373806, 394573, 498408, 747612, 789146, 1183719, 1495224, 1578292, 2367438, 3156584, 3551157, 4734876, 7102314, 9469752, 14204628, 28409256]

約数ペア:

[(1, 28409256), (2, 14204628), (3, 9469752), (4, 7102314), (6, 4734876), (8, 3551157), (9, 3156584), (12, 2367438), (18, 1578292), (19, 1495224), (24, 1183719), (36, 789146), (38, 747612), (57, 498408), (72, 394573), (76, 373806), (114, 249204), (152, 186903), (171, 166136), (228, 124602), (342, 83068), (361, 78696), (456, 62301), (684, 41534), (722, 39348), (1083, 26232), (1093, 25992), (1368, 20767), (1444, 19674), (2166, 13116), (2186, 12996), (2888, 9837), (3249, 8744), (3279, 8664), (4332, 6558), (4372, 6498)]