208517932

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^2\times {\mathrm{421}}^1$

素因数の和:484

約数の個数: 72

約数和(自身を含む): 450189600

約数和(自身を除く): 241671668

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 361, 421, 532, 686, 722, 842, 931, 1372, 1444, 1684, 1862, 2527, 2947, 3724, 5054, 5894, 6517, 7999, 10108, 11788, 13034, 15998, 17689, 20629, 26068, 31996, 35378, 41258, 55993, 70756, 82516, 111986, 123823, 144403, 151981, 223972, 247646, 288806, 303962, 391951, 495292, 577612, 607924, 783902, 1063867, 1567804, 2127734, 2743657, 4255468, 5487314, 7447069, 10974628, 14894138, 29788276, 52129483, 104258966, 208517932]

約数ペア:

[(1, 208517932), (2, 104258966), (4, 52129483), (7, 29788276), (14, 14894138), (19, 10974628), (28, 7447069), (38, 5487314), (49, 4255468), (76, 2743657), (98, 2127734), (133, 1567804), (196, 1063867), (266, 783902), (343, 607924), (361, 577612), (421, 495292), (532, 391951), (686, 303962), (722, 288806), (842, 247646), (931, 223972), (1372, 151981), (1444, 144403), (1684, 123823), (1862, 111986), (2527, 82516), (2947, 70756), (3724, 55993), (5054, 41258), (5894, 35378), (6517, 31996), (7999, 26068), (10108, 20629), (11788, 17689), (13034, 15998)]