28256904

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:404

約数の個数: 128

約数和(自身を含む): 87696000

約数和(自身を除く): 59439096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 29, 36, 39, 52, 54, 58, 72, 78, 87, 104, 108, 116, 117, 156, 174, 216, 232, 234, 261, 312, 347, 348, 351, 377, 468, 522, 694, 696, 702, 754, 783, 936, 1041, 1044, 1131, 1388, 1404, 1508, 1566, 2082, 2088, 2262, 2776, 2808, 3016, 3123, 3132, 3393, 4164, 4511, 4524, 6246, 6264, 6786, 8328, 9022, 9048, 9369, 10063, 10179, 12492, 13533, 13572, 18044, 18738, 20126, 20358, 24984, 27066, 27144, 30189, 36088, 37476, 40252, 40599, 40716, 54132, 60378, 74952, 80504, 81198, 81432, 90567, 108264, 120756, 121797, 130819, 162396, 181134, 241512, 243594, 261638, 271701, 324792, 362268, 392457, 487188, 523276, 543402, 724536, 784914, 974376, 1046552, 1086804, 1177371, 1569828, 2173608, 2354742, 3139656, 3532113, 4709484, 7064226, 9418968, 14128452, 28256904]

約数ペア:

[(1, 28256904), (2, 14128452), (3, 9418968), (4, 7064226), (6, 4709484), (8, 3532113), (9, 3139656), (12, 2354742), (13, 2173608), (18, 1569828), (24, 1177371), (26, 1086804), (27, 1046552), (29, 974376), (36, 784914), (39, 724536), (52, 543402), (54, 523276), (58, 487188), (72, 392457), (78, 362268), (87, 324792), (104, 271701), (108, 261638), (116, 243594), (117, 241512), (156, 181134), (174, 162396), (216, 130819), (232, 121797), (234, 120756), (261, 108264), (312, 90567), (347, 81432), (348, 81198), (351, 80504), (377, 74952), (468, 60378), (522, 54132), (694, 40716), (696, 40599), (702, 40252), (754, 37476), (783, 36088), (936, 30189), (1041, 27144), (1044, 27066), (1131, 24984), (1388, 20358), (1404, 20126), (1508, 18738), (1566, 18044), (2082, 13572), (2088, 13533), (2262, 12492), (2776, 10179), (2808, 10063), (3016, 9369), (3123, 9048), (3132, 9022), (3393, 8328), (4164, 6786), (4511, 6264), (4524, 6246)]