128927244

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{249859}}^1$

素因数の和:249909

約数の個数: 24

約数和(自身を含む): 307827520

約数和(自身を除く): 178900276

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 249859, 499718, 749577, 999436, 1499154, 2998308, 10743937, 21487874, 32231811, 42975748, 64463622, 128927244]

約数ペア:

[(1, 128927244), (2, 64463622), (3, 42975748), (4, 32231811), (6, 21487874), (12, 10743937), (43, 2998308), (86, 1499154), (129, 999436), (172, 749577), (258, 499718), (516, 249859)]