257336534

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2767}}^1$

素因数の和:2869

約数の個数: 48

約数和(自身を含む): 490367808

約数和(自身を除く): 233031274

約数列:

[1, 2, 7, 13, 14, 26, 49, 73, 91, 98, 146, 182, 511, 637, 949, 1022, 1274, 1898, 2767, 3577, 5534, 6643, 7154, 13286, 19369, 35971, 38738, 46501, 71942, 93002, 135583, 201991, 251797, 271166, 403982, 503594, 1413937, 1762579, 2625883, 2827874, 3525158, 5251766, 9897559, 18381181, 19795118, 36762362, 128668267, 257336534]

約数ペア:

[(1, 257336534), (2, 128668267), (7, 36762362), (13, 19795118), (14, 18381181), (26, 9897559), (49, 5251766), (73, 3525158), (91, 2827874), (98, 2625883), (146, 1762579), (182, 1413937), (511, 503594), (637, 403982), (949, 271166), (1022, 251797), (1274, 201991), (1898, 135583), (2767, 93002), (3577, 71942), (5534, 46501), (6643, 38738), (7154, 35971), (13286, 19369)]