210976997

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 280713600

約数和(自身を除く): 69736603

約数列:

[1, 7, 11, 37, 49, 71, 77, 149, 259, 407, 497, 539, 781, 1043, 1639, 1813, 2627, 2849, 3479, 5467, 5513, 7301, 10579, 11473, 18389, 19943, 28897, 38269, 38591, 60643, 74053, 80311, 116369, 128723, 202279, 270137, 391423, 424501, 518371, 814583, 1415953, 2739961, 2971507, 4305653, 5702081, 19179727, 30139571, 210976997]

約数ペア:

[(1, 210976997), (7, 30139571), (11, 19179727), (37, 5702081), (49, 4305653), (71, 2971507), (77, 2739961), (149, 1415953), (259, 814583), (407, 518371), (497, 424501), (539, 391423), (781, 270137), (1043, 202279), (1639, 128723), (1813, 116369), (2627, 80311), (2849, 74053), (3479, 60643), (5467, 38591), (5513, 38269), (7301, 28897), (10579, 19943), (11473, 18389)]