257967424

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:504

約数の個数: 112

約数和(自身を含む): 611404416

約数和(自身を除く): 353436992

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 71, 88, 104, 142, 143, 176, 208, 284, 286, 352, 397, 416, 568, 572, 704, 781, 794, 832, 923, 1136, 1144, 1562, 1588, 1846, 2272, 2288, 3124, 3176, 3692, 4367, 4544, 4576, 5161, 6248, 6352, 7384, 8734, 9152, 10153, 10322, 12496, 12704, 14768, 17468, 20306, 20644, 24992, 25408, 28187, 29536, 34936, 40612, 41288, 49984, 56374, 56771, 59072, 69872, 81224, 82576, 112748, 113542, 139744, 162448, 165152, 225496, 227084, 279488, 310057, 324896, 330304, 366431, 450992, 454168, 620114, 649792, 732862, 901984, 908336, 1240228, 1465724, 1803968, 1816672, 2480456, 2931448, 3633344, 4030741, 4960912, 5862896, 8061482, 9921824, 11725792, 16122964, 19843648, 23451584, 32245928, 64491856, 128983712, 257967424]

約数ペア:

[(1, 257967424), (2, 128983712), (4, 64491856), (8, 32245928), (11, 23451584), (13, 19843648), (16, 16122964), (22, 11725792), (26, 9921824), (32, 8061482), (44, 5862896), (52, 4960912), (64, 4030741), (71, 3633344), (88, 2931448), (104, 2480456), (142, 1816672), (143, 1803968), (176, 1465724), (208, 1240228), (284, 908336), (286, 901984), (352, 732862), (397, 649792), (416, 620114), (568, 454168), (572, 450992), (704, 366431), (781, 330304), (794, 324896), (832, 310057), (923, 279488), (1136, 227084), (1144, 225496), (1562, 165152), (1588, 162448), (1846, 139744), (2272, 113542), (2288, 112748), (3124, 82576), (3176, 81224), (3692, 69872), (4367, 59072), (4544, 56771), (4576, 56374), (5161, 49984), (6248, 41288), (6352, 40612), (7384, 34936), (8734, 29536), (9152, 28187), (10153, 25408), (10322, 24992), (12496, 20644), (12704, 20306), (14768, 17468)]