256671232

素因数分解:

$2^9\times {\mathrm{491}}^1\times {\mathrm{1021}}^1$

素因数の和:1530

約数の個数: 40

約数和(自身を含む): 514388952

約数和(自身を除く): 257717720

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 491, 512, 982, 1021, 1964, 2042, 3928, 4084, 7856, 8168, 15712, 16336, 31424, 32672, 62848, 65344, 125696, 130688, 251392, 261376, 501311, 522752, 1002622, 2005244, 4010488, 8020976, 16041952, 32083904, 64167808, 128335616, 256671232]

約数ペア:

[(1, 256671232), (2, 128335616), (4, 64167808), (8, 32083904), (16, 16041952), (32, 8020976), (64, 4010488), (128, 2005244), (256, 1002622), (491, 522752), (512, 501311), (982, 261376), (1021, 251392), (1964, 130688), (2042, 125696), (3928, 65344), (4084, 62848), (7856, 32672), (8168, 31424), (15712, 16336)]