1289285426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2667

約数の個数: 64

約数和(自身を含む): 2382500736

約数和(自身を除く): 1093215310

約数列:

[1, 2, 11, 13, 22, 26, 41, 43, 82, 86, 143, 286, 451, 473, 533, 559, 902, 946, 1066, 1118, 1763, 2557, 3526, 5114, 5863, 6149, 11726, 12298, 19393, 22919, 28127, 33241, 38786, 45838, 56254, 66482, 104837, 109951, 209674, 219902, 252109, 365651, 504218, 731302, 1153207, 1209461, 1362881, 1429363, 2306414, 2418922, 2725762, 2858726, 4507991, 9015982, 14991691, 15722993, 29983382, 31445986, 49587901, 58603883, 99175802, 117207766, 644642713, 1289285426]

約数ペア:

[(1, 1289285426), (2, 644642713), (11, 117207766), (13, 99175802), (22, 58603883), (26, 49587901), (41, 31445986), (43, 29983382), (82, 15722993), (86, 14991691), (143, 9015982), (286, 4507991), (451, 2858726), (473, 2725762), (533, 2418922), (559, 2306414), (902, 1429363), (946, 1362881), (1066, 1209461), (1118, 1153207), (1763, 731302), (2557, 504218), (3526, 365651), (5114, 252109), (5863, 219902), (6149, 209674), (11726, 109951), (12298, 104837), (19393, 66482), (22919, 56254), (28127, 45838), (33241, 38786)]