255997456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{881}}^1$

素因数の和:1040

約数の個数: 80

約数和(自身を含む): 587962368

約数和(自身を除く): 331964912

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 127, 143, 176, 208, 254, 286, 508, 572, 881, 1016, 1144, 1397, 1651, 1762, 2032, 2288, 2794, 3302, 3524, 5588, 6604, 7048, 9691, 11176, 11453, 13208, 14096, 18161, 19382, 22352, 22906, 26416, 36322, 38764, 45812, 72644, 77528, 91624, 111887, 125983, 145288, 155056, 183248, 223774, 251966, 290576, 447548, 503932, 895096, 1007864, 1230757, 1454531, 1790192, 2015728, 2461514, 2909062, 4923028, 5818124, 9846056, 11636248, 15999841, 19692112, 23272496, 31999682, 63999364, 127998728, 255997456]

約数ペア:

[(1, 255997456), (2, 127998728), (4, 63999364), (8, 31999682), (11, 23272496), (13, 19692112), (16, 15999841), (22, 11636248), (26, 9846056), (44, 5818124), (52, 4923028), (88, 2909062), (104, 2461514), (127, 2015728), (143, 1790192), (176, 1454531), (208, 1230757), (254, 1007864), (286, 895096), (508, 503932), (572, 447548), (881, 290576), (1016, 251966), (1144, 223774), (1397, 183248), (1651, 155056), (1762, 145288), (2032, 125983), (2288, 111887), (2794, 91624), (3302, 77528), (3524, 72644), (5588, 45812), (6604, 38764), (7048, 36322), (9691, 26416), (11176, 22906), (11453, 22352), (13208, 19382), (14096, 18161)]