209756162

素因数分解:

$2^1\times 7^4\times {\mathrm{11}}^2\times {\mathrm{19}}^2$

素因数の和:90

約数の個数: 90

約数和(自身を含む): 425805219

約数和(自身を除く): 216049057

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 121, 133, 154, 209, 242, 266, 343, 361, 418, 539, 686, 722, 847, 931, 1078, 1463, 1694, 1862, 2299, 2401, 2527, 2926, 3773, 3971, 4598, 4802, 5054, 5929, 6517, 7546, 7942, 10241, 11858, 13034, 16093, 17689, 20482, 26411, 27797, 32186, 35378, 41503, 43681, 45619, 52822, 55594, 71687, 83006, 87362, 91238, 112651, 123823, 143374, 194579, 225302, 247646, 290521, 305767, 389158, 501809, 581042, 611534, 788557, 866761, 1003618, 1362053, 1577114, 1733522, 2140369, 2724106, 4280738, 5519899, 9534371, 11039798, 14982583, 19068742, 29965166, 104878081, 209756162]

約数ペア:

[(1, 209756162), (2, 104878081), (7, 29965166), (11, 19068742), (14, 14982583), (19, 11039798), (22, 9534371), (38, 5519899), (49, 4280738), (77, 2724106), (98, 2140369), (121, 1733522), (133, 1577114), (154, 1362053), (209, 1003618), (242, 866761), (266, 788557), (343, 611534), (361, 581042), (418, 501809), (539, 389158), (686, 305767), (722, 290521), (847, 247646), (931, 225302), (1078, 194579), (1463, 143374), (1694, 123823), (1862, 112651), (2299, 91238), (2401, 87362), (2527, 83006), (2926, 71687), (3773, 55594), (3971, 52822), (4598, 45619), (4802, 43681), (5054, 41503), (5929, 35378), (6517, 32186), (7546, 27797), (7942, 26411), (10241, 20482), (11858, 17689), (13034, 16093)]