256656402

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{10163}}^1$

素因数の和:10255

約数の個数: 48

約数和(自身を含む): 589837248

約数和(自身を除く): 333180846

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 61, 69, 122, 138, 183, 207, 366, 414, 549, 1098, 1403, 2806, 4209, 8418, 10163, 12627, 20326, 25254, 30489, 60978, 91467, 182934, 233749, 467498, 619943, 701247, 1239886, 1402494, 1859829, 2103741, 3719658, 4207482, 5579487, 11158974, 14258689, 28517378, 42776067, 85552134, 128328201, 256656402]

約数ペア:

[(1, 256656402), (2, 128328201), (3, 85552134), (6, 42776067), (9, 28517378), (18, 14258689), (23, 11158974), (46, 5579487), (61, 4207482), (69, 3719658), (122, 2103741), (138, 1859829), (183, 1402494), (207, 1239886), (366, 701247), (414, 619943), (549, 467498), (1098, 233749), (1403, 182934), (2806, 91467), (4209, 60978), (8418, 30489), (10163, 25254), (12627, 20326)]