2180996909

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5813}}^1$

素因数の和:5890

約数の個数: 48

約数和(自身を含む): 2969326080

約数和(自身を除く): 788329171

約数列:

[1, 7, 13, 19, 31, 49, 91, 133, 217, 247, 403, 589, 637, 931, 1519, 1729, 2821, 4123, 5813, 7657, 12103, 19747, 28861, 40691, 53599, 75569, 110447, 180203, 284837, 375193, 528983, 773129, 1261421, 1435811, 2342639, 3423857, 3702881, 5411903, 8829947, 10050677, 16398473, 23966999, 44510141, 70354739, 114789311, 167768993, 311570987, 2180996909]

約数ペア:

[(1, 2180996909), (7, 311570987), (13, 167768993), (19, 114789311), (31, 70354739), (49, 44510141), (91, 23966999), (133, 16398473), (217, 10050677), (247, 8829947), (403, 5411903), (589, 3702881), (637, 3423857), (931, 2342639), (1519, 1435811), (1729, 1261421), (2821, 773129), (4123, 528983), (5813, 375193), (7657, 284837), (12103, 180203), (19747, 110447), (28861, 75569), (40691, 53599)]