28578528

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 94832640

約数和(自身を除く): 66254112

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 31, 32, 33, 36, 44, 48, 54, 62, 66, 72, 88, 93, 96, 97, 99, 108, 124, 132, 144, 176, 186, 194, 198, 216, 248, 264, 279, 288, 291, 297, 341, 352, 372, 388, 396, 432, 496, 528, 558, 582, 594, 682, 744, 776, 792, 837, 864, 873, 992, 1023, 1056, 1067, 1116, 1164, 1188, 1364, 1488, 1552, 1584, 1674, 1746, 2046, 2134, 2232, 2328, 2376, 2619, 2728, 2976, 3007, 3069, 3104, 3168, 3201, 3348, 3492, 4092, 4268, 4464, 4656, 4752, 5238, 5456, 6014, 6138, 6402, 6696, 6984, 8184, 8536, 8928, 9021, 9207, 9312, 9504, 9603, 10476, 10912, 12028, 12276, 12804, 13392, 13968, 16368, 17072, 18042, 18414, 19206, 20952, 24056, 24552, 25608, 26784, 27063, 27936, 28809, 32736, 33077, 34144, 36084, 36828, 38412, 41904, 48112, 49104, 51216, 54126, 57618, 66154, 72168, 73656, 76824, 81189, 83808, 96224, 98208, 99231, 102432, 108252, 115236, 132308, 144336, 147312, 153648, 162378, 198462, 216504, 230472, 264616, 288672, 294624, 297693, 307296, 324756, 396924, 433008, 460944, 529232, 595386, 649512, 793848, 866016, 893079, 921888, 1058464, 1190772, 1299024, 1587696, 1786158, 2381544, 2598048, 3175392, 3572316, 4763088, 7144632, 9526176, 14289264, 28578528]

約数ペア:

[(1, 28578528), (2, 14289264), (3, 9526176), (4, 7144632), (6, 4763088), (8, 3572316), (9, 3175392), (11, 2598048), (12, 2381544), (16, 1786158), (18, 1587696), (22, 1299024), (24, 1190772), (27, 1058464), (31, 921888), (32, 893079), (33, 866016), (36, 793848), (44, 649512), (48, 595386), (54, 529232), (62, 460944), (66, 433008), (72, 396924), (88, 324756), (93, 307296), (96, 297693), (97, 294624), (99, 288672), (108, 264616), (124, 230472), (132, 216504), (144, 198462), (176, 162378), (186, 153648), (194, 147312), (198, 144336), (216, 132308), (248, 115236), (264, 108252), (279, 102432), (288, 99231), (291, 98208), (297, 96224), (341, 83808), (352, 81189), (372, 76824), (388, 73656), (396, 72168), (432, 66154), (496, 57618), (528, 54126), (558, 51216), (582, 49104), (594, 48112), (682, 41904), (744, 38412), (776, 36828), (792, 36084), (837, 34144), (864, 33077), (873, 32736), (992, 28809), (1023, 27936), (1056, 27063), (1067, 26784), (1116, 25608), (1164, 24552), (1188, 24056), (1364, 20952), (1488, 19206), (1552, 18414), (1584, 18042), (1674, 17072), (1746, 16368), (2046, 13968), (2134, 13392), (2232, 12804), (2328, 12276), (2376, 12028), (2619, 10912), (2728, 10476), (2976, 9603), (3007, 9504), (3069, 9312), (3104, 9207), (3168, 9021), (3201, 8928), (3348, 8536), (3492, 8184), (4092, 6984), (4268, 6696), (4464, 6402), (4656, 6138), (4752, 6014), (5238, 5456)]