12990656

素因数分解:

$2^6\times 7^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 56

約数和(自身を含む): 29846016

約数和(自身を除く): 16855360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 107, 112, 214, 224, 271, 428, 448, 542, 749, 856, 1084, 1498, 1712, 1897, 2168, 2996, 3424, 3794, 4336, 5992, 6848, 7588, 8672, 11984, 15176, 17344, 23968, 28997, 30352, 47936, 57994, 60704, 115988, 121408, 202979, 231976, 405958, 463952, 811916, 927904, 1623832, 1855808, 3247664, 6495328, 12990656]

約数ペア:

[(1, 12990656), (2, 6495328), (4, 3247664), (7, 1855808), (8, 1623832), (14, 927904), (16, 811916), (28, 463952), (32, 405958), (56, 231976), (64, 202979), (107, 121408), (112, 115988), (214, 60704), (224, 57994), (271, 47936), (428, 30352), (448, 28997), (542, 23968), (749, 17344), (856, 15176), (1084, 11984), (1498, 8672), (1712, 7588), (1897, 6848), (2168, 5992), (2996, 4336), (3424, 3794)]