2921000492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{12589}}^1$

素因数の和:12726

約数の個数: 48

約数和(自身を含む): 5583916800

約数和(自身を除く): 2662916308

約数列:

[1, 2, 4, 19, 38, 43, 71, 76, 86, 142, 172, 284, 817, 1349, 1634, 2698, 3053, 3268, 5396, 6106, 12212, 12589, 25178, 50356, 58007, 116014, 232028, 239191, 478382, 541327, 893819, 956764, 1082654, 1787638, 2165308, 3575276, 10285213, 16982561, 20570426, 33965122, 38434217, 41140852, 67930244, 76868434, 153736868, 730250123, 1460500246, 2921000492]

約数ペア:

[(1, 2921000492), (2, 1460500246), (4, 730250123), (19, 153736868), (38, 76868434), (43, 67930244), (71, 41140852), (76, 38434217), (86, 33965122), (142, 20570426), (172, 16982561), (284, 10285213), (817, 3575276), (1349, 2165308), (1634, 1787638), (2698, 1082654), (3053, 956764), (3268, 893819), (5396, 541327), (6106, 478382), (12212, 239191), (12589, 232028), (25178, 116014), (50356, 58007)]