256704

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{191}}^1$

素因数の和:213

約数の個数: 56

約数和(自身を含む): 780288

約数和(自身を除く): 523584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 191, 192, 224, 336, 382, 448, 573, 672, 764, 1146, 1337, 1344, 1528, 2292, 2674, 3056, 4011, 4584, 5348, 6112, 8022, 9168, 10696, 12224, 16044, 18336, 21392, 32088, 36672, 42784, 64176, 85568, 128352, 256704]

約数ペア:

[(1, 256704), (2, 128352), (3, 85568), (4, 64176), (6, 42784), (7, 36672), (8, 32088), (12, 21392), (14, 18336), (16, 16044), (21, 12224), (24, 10696), (28, 9168), (32, 8022), (42, 6112), (48, 5348), (56, 4584), (64, 4011), (84, 3056), (96, 2674), (112, 2292), (168, 1528), (191, 1344), (192, 1337), (224, 1146), (336, 764), (382, 672), (448, 573)]