257637744

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19661}}^1$

素因数の和:19695

約数の個数: 120

約数和(自身を含む): 887464032

約数和(自身を除く): 629826288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1638, 1872, 2184, 3276, 4368, 6552, 13104, 19661, 39322, 58983, 78644, 117966, 137627, 157288, 176949, 235932, 255593, 275254, 314576, 353898, 412881, 471864, 511186, 550508, 707796, 766779, 825762, 943728, 1022372, 1101016, 1238643, 1415592, 1533558, 1651524, 1789151, 2044744, 2202032, 2300337, 2477286, 2831184, 3067116, 3303048, 3578302, 4089488, 4600674, 4954572, 5367453, 6134232, 6606096, 7156604, 9201348, 9909144, 10734906, 12268464, 14313208, 16102359, 18402696, 19818288, 21469812, 28626416, 32204718, 36805392, 42939624, 64409436, 85879248, 128818872, 257637744]

約数ペア:

[(1, 257637744), (2, 128818872), (3, 85879248), (4, 64409436), (6, 42939624), (7, 36805392), (8, 32204718), (9, 28626416), (12, 21469812), (13, 19818288), (14, 18402696), (16, 16102359), (18, 14313208), (21, 12268464), (24, 10734906), (26, 9909144), (28, 9201348), (36, 7156604), (39, 6606096), (42, 6134232), (48, 5367453), (52, 4954572), (56, 4600674), (63, 4089488), (72, 3578302), (78, 3303048), (84, 3067116), (91, 2831184), (104, 2477286), (112, 2300337), (117, 2202032), (126, 2044744), (144, 1789151), (156, 1651524), (168, 1533558), (182, 1415592), (208, 1238643), (234, 1101016), (252, 1022372), (273, 943728), (312, 825762), (336, 766779), (364, 707796), (468, 550508), (504, 511186), (546, 471864), (624, 412881), (728, 353898), (819, 314576), (936, 275254), (1008, 255593), (1092, 235932), (1456, 176949), (1638, 157288), (1872, 137627), (2184, 117966), (3276, 78644), (4368, 58983), (6552, 39322), (13104, 19661)]