210718718

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 383040000

約数和(自身を除く): 172321282

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 139, 217, 278, 434, 499, 973, 998, 1519, 1946, 3038, 3493, 4309, 6811, 6986, 8618, 13622, 15469, 24451, 30163, 30938, 48902, 60326, 69361, 108283, 138722, 211141, 216566, 422282, 485527, 757981, 971054, 1515962, 2150191, 3398689, 4300382, 6797378, 15051337, 30102674, 105359359, 210718718]

約数ペア:

[(1, 210718718), (2, 105359359), (7, 30102674), (14, 15051337), (31, 6797378), (49, 4300382), (62, 3398689), (98, 2150191), (139, 1515962), (217, 971054), (278, 757981), (434, 485527), (499, 422282), (973, 216566), (998, 211141), (1519, 138722), (1946, 108283), (3038, 69361), (3493, 60326), (4309, 48902), (6811, 30938), (6986, 30163), (8618, 24451), (13622, 15469)]