256779776

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:515

約数の個数: 80

約数和(自身を含む): 565678080

約数和(自身を除く): 308898304

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 127, 128, 176, 254, 256, 352, 359, 508, 512, 704, 718, 1016, 1397, 1408, 1436, 2032, 2794, 2816, 2872, 3949, 4064, 5588, 5632, 5744, 7898, 8128, 11176, 11488, 15796, 16256, 22352, 22976, 31592, 32512, 44704, 45593, 45952, 63184, 65024, 89408, 91186, 91904, 126368, 178816, 182372, 183808, 252736, 357632, 364744, 501523, 505472, 715264, 729488, 1003046, 1010944, 1458976, 2006092, 2021888, 2917952, 4012184, 5835904, 8024368, 11671808, 16048736, 23343616, 32097472, 64194944, 128389888, 256779776]

約数ペア:

[(1, 256779776), (2, 128389888), (4, 64194944), (8, 32097472), (11, 23343616), (16, 16048736), (22, 11671808), (32, 8024368), (44, 5835904), (64, 4012184), (88, 2917952), (127, 2021888), (128, 2006092), (176, 1458976), (254, 1010944), (256, 1003046), (352, 729488), (359, 715264), (508, 505472), (512, 501523), (704, 364744), (718, 357632), (1016, 252736), (1397, 183808), (1408, 182372), (1436, 178816), (2032, 126368), (2794, 91904), (2816, 91186), (2872, 89408), (3949, 65024), (4064, 63184), (5588, 45952), (5632, 45593), (5744, 44704), (7898, 32512), (8128, 31592), (11176, 22976), (11488, 22352), (15796, 16256)]