208481966

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 418854240

約数和(自身を除く): 210372274

約数列:

[1, 2, 7, 11, 14, 22, 41, 49, 53, 77, 82, 89, 98, 106, 154, 178, 287, 371, 451, 539, 574, 583, 623, 742, 902, 979, 1078, 1166, 1246, 1958, 2009, 2173, 2597, 3157, 3649, 4018, 4081, 4346, 4361, 4717, 5194, 6314, 6853, 7298, 8162, 8722, 9434, 13706, 15211, 22099, 23903, 25543, 28567, 30422, 33019, 40139, 44198, 47806, 47971, 51086, 51887, 57134, 66038, 80278, 95942, 103774, 106477, 167321, 178801, 193397, 212954, 231133, 280973, 334642, 357602, 363209, 386794, 462266, 561946, 726418, 1171247, 1353779, 1966811, 2127367, 2342494, 2542463, 2707558, 3933622, 4254734, 5084926, 9476453, 14891569, 18952906, 29783138, 104240983, 208481966]

約数ペア:

[(1, 208481966), (2, 104240983), (7, 29783138), (11, 18952906), (14, 14891569), (22, 9476453), (41, 5084926), (49, 4254734), (53, 3933622), (77, 2707558), (82, 2542463), (89, 2342494), (98, 2127367), (106, 1966811), (154, 1353779), (178, 1171247), (287, 726418), (371, 561946), (451, 462266), (539, 386794), (574, 363209), (583, 357602), (623, 334642), (742, 280973), (902, 231133), (979, 212954), (1078, 193397), (1166, 178801), (1246, 167321), (1958, 106477), (2009, 103774), (2173, 95942), (2597, 80278), (3157, 66038), (3649, 57134), (4018, 51887), (4081, 51086), (4346, 47971), (4361, 47806), (4717, 44198), (5194, 40139), (6314, 33019), (6853, 30422), (7298, 28567), (8162, 25543), (8722, 23903), (9434, 22099), (13706, 15211)]