220121902

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2633

約数の個数: 64

約数和(自身を含む): 453809664

約数和(自身を除く): 233687762

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 43, 77, 86, 91, 143, 154, 182, 286, 301, 473, 559, 602, 946, 1001, 1118, 2002, 2557, 3311, 3913, 5114, 6149, 6622, 7826, 12298, 17899, 28127, 33241, 35798, 43043, 56254, 66482, 86086, 109951, 196889, 219902, 232687, 365651, 393778, 465374, 731302, 769657, 1209461, 1429363, 1539314, 2418922, 2559557, 2858726, 5119114, 8466227, 10005541, 15722993, 16932454, 20011082, 31445986, 110060951, 220121902]

約数ペア:

[(1, 220121902), (2, 110060951), (7, 31445986), (11, 20011082), (13, 16932454), (14, 15722993), (22, 10005541), (26, 8466227), (43, 5119114), (77, 2858726), (86, 2559557), (91, 2418922), (143, 1539314), (154, 1429363), (182, 1209461), (286, 769657), (301, 731302), (473, 465374), (559, 393778), (602, 365651), (946, 232687), (1001, 219902), (1118, 196889), (2002, 109951), (2557, 86086), (3311, 66482), (3913, 56254), (5114, 43043), (6149, 35798), (6622, 33241), (7826, 28127), (12298, 17899)]