256788224

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1861}}^1$

素因数の和:1902

約数の個数: 108

約数和(自身を含む): 650813688

約数和(自身を除く): 394025464

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 224, 256, 308, 352, 392, 448, 539, 616, 704, 784, 896, 1078, 1232, 1408, 1568, 1792, 1861, 2156, 2464, 2816, 3136, 3722, 4312, 4928, 6272, 7444, 8624, 9856, 12544, 13027, 14888, 17248, 19712, 20471, 26054, 29776, 34496, 40942, 52108, 59552, 68992, 81884, 91189, 104216, 119104, 137984, 143297, 163768, 182378, 208432, 238208, 286594, 327536, 364756, 416864, 476416, 573188, 655072, 729512, 833728, 1003079, 1146376, 1310144, 1459024, 1667456, 2006158, 2292752, 2620288, 2918048, 3334912, 4012316, 4585504, 5240576, 5836096, 8024632, 9171008, 11672192, 16049264, 18342016, 23344384, 32098528, 36684032, 64197056, 128394112, 256788224]

約数ペア:

[(1, 256788224), (2, 128394112), (4, 64197056), (7, 36684032), (8, 32098528), (11, 23344384), (14, 18342016), (16, 16049264), (22, 11672192), (28, 9171008), (32, 8024632), (44, 5836096), (49, 5240576), (56, 4585504), (64, 4012316), (77, 3334912), (88, 2918048), (98, 2620288), (112, 2292752), (128, 2006158), (154, 1667456), (176, 1459024), (196, 1310144), (224, 1146376), (256, 1003079), (308, 833728), (352, 729512), (392, 655072), (448, 573188), (539, 476416), (616, 416864), (704, 364756), (784, 327536), (896, 286594), (1078, 238208), (1232, 208432), (1408, 182378), (1568, 163768), (1792, 143297), (1861, 137984), (2156, 119104), (2464, 104216), (2816, 91189), (3136, 81884), (3722, 68992), (4312, 59552), (4928, 52108), (6272, 40942), (7444, 34496), (8624, 29776), (9856, 26054), (12544, 20471), (13027, 19712), (14888, 17248)]