206784256

素因数分解:

$2^8\times 7^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 474616800

約数和(自身を除く): 267832544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 257, 448, 449, 514, 896, 898, 1028, 1792, 1796, 1799, 2056, 3143, 3592, 3598, 4112, 6286, 7184, 7196, 8224, 12572, 14368, 14392, 16448, 25144, 28736, 28784, 32896, 50288, 57472, 57568, 65792, 100576, 114944, 115136, 115393, 201152, 230272, 230786, 402304, 460544, 461572, 804608, 807751, 923144, 1615502, 1846288, 3231004, 3692576, 6462008, 7385152, 12924016, 14770304, 25848032, 29540608, 51696064, 103392128, 206784256]

約数ペア:

[(1, 206784256), (2, 103392128), (4, 51696064), (7, 29540608), (8, 25848032), (14, 14770304), (16, 12924016), (28, 7385152), (32, 6462008), (56, 3692576), (64, 3231004), (112, 1846288), (128, 1615502), (224, 923144), (256, 807751), (257, 804608), (448, 461572), (449, 460544), (514, 402304), (896, 230786), (898, 230272), (1028, 201152), (1792, 115393), (1796, 115136), (1799, 114944), (2056, 100576), (3143, 65792), (3592, 57568), (3598, 57472), (4112, 50288), (6286, 32896), (7184, 28784), (7196, 28736), (8224, 25144), (12572, 16448), (14368, 14392)]