12281776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:589

約数の個数: 40

約数和(自身を含む): 25873344

約数和(自身を除く): 13591568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 431, 548, 862, 1096, 1724, 1781, 2192, 3448, 3562, 5603, 6896, 7124, 11206, 14248, 22412, 28496, 44824, 59047, 89648, 118094, 236188, 472376, 767611, 944752, 1535222, 3070444, 6140888, 12281776]

約数ペア:

[(1, 12281776), (2, 6140888), (4, 3070444), (8, 1535222), (13, 944752), (16, 767611), (26, 472376), (52, 236188), (104, 118094), (137, 89648), (208, 59047), (274, 44824), (431, 28496), (548, 22412), (862, 14248), (1096, 11206), (1724, 7124), (1781, 6896), (2192, 5603), (3448, 3562)]