208249986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4621}}^1$

素因数の和:4699

約数の個数: 64

約数和(自身を含む): 505831680

約数和(自身を除く): 297581694

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 37, 42, 58, 74, 87, 111, 174, 203, 222, 259, 406, 518, 609, 777, 1073, 1218, 1554, 2146, 3219, 4621, 6438, 7511, 9242, 13863, 15022, 22533, 27726, 32347, 45066, 64694, 97041, 134009, 170977, 194082, 268018, 341954, 402027, 512931, 804054, 938063, 1025862, 1196839, 1876126, 2393678, 2814189, 3590517, 4958333, 5628378, 7181034, 9916666, 14874999, 29749998, 34708331, 69416662, 104124993, 208249986]

約数ペア:

[(1, 208249986), (2, 104124993), (3, 69416662), (6, 34708331), (7, 29749998), (14, 14874999), (21, 9916666), (29, 7181034), (37, 5628378), (42, 4958333), (58, 3590517), (74, 2814189), (87, 2393678), (111, 1876126), (174, 1196839), (203, 1025862), (222, 938063), (259, 804054), (406, 512931), (518, 402027), (609, 341954), (777, 268018), (1073, 194082), (1218, 170977), (1554, 134009), (2146, 97041), (3219, 64694), (4621, 45066), (6438, 32347), (7511, 27726), (9242, 22533), (13863, 15022)]