81135496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18143}}^1$

素因数の和:18205

約数の個数: 32

約数和(自身を含む): 167650560

約数和(自身を除く): 86515064

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 18143, 36286, 72572, 145144, 235859, 471718, 780149, 943436, 1560298, 1886872, 3120596, 6241192, 10141937, 20283874, 40567748, 81135496]

約数ペア:

[(1, 81135496), (2, 40567748), (4, 20283874), (8, 10141937), (13, 6241192), (26, 3120596), (43, 1886872), (52, 1560298), (86, 943436), (104, 780149), (172, 471718), (344, 235859), (559, 145144), (1118, 72572), (2236, 36286), (4472, 18143)]