3947778874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^2\times {\mathrm{661}}^1$

素因数の和:883

約数の個数: 48

約数和(自身を含む): 6682135320

約数和(自身を除く): 2734356446

約数列:

[1, 2, 13, 26, 29, 58, 89, 178, 377, 661, 754, 1157, 1322, 2314, 2581, 5162, 7921, 8593, 15842, 17186, 19169, 33553, 38338, 58829, 67106, 102973, 117658, 205946, 229709, 249197, 459418, 498394, 764777, 1529554, 1706041, 2986217, 3412082, 5235781, 5972434, 10471562, 22178533, 44357066, 68065153, 136130306, 151837649, 303675298, 1973889437, 3947778874]

約数ペア:

[(1, 3947778874), (2, 1973889437), (13, 303675298), (26, 151837649), (29, 136130306), (58, 68065153), (89, 44357066), (178, 22178533), (377, 10471562), (661, 5972434), (754, 5235781), (1157, 3412082), (1322, 2986217), (2314, 1706041), (2581, 1529554), (5162, 764777), (7921, 498394), (8593, 459418), (15842, 249197), (17186, 229709), (19169, 205946), (33553, 117658), (38338, 102973), (58829, 67106)]