157712128

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 395587584

約数和(自身を除く): 237875456

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 56, 62, 64, 68, 112, 119, 124, 128, 136, 167, 217, 224, 238, 248, 256, 272, 334, 434, 448, 476, 496, 527, 544, 668, 868, 896, 952, 992, 1054, 1088, 1169, 1336, 1736, 1792, 1904, 1984, 2108, 2176, 2338, 2672, 2839, 3472, 3689, 3808, 3968, 4216, 4352, 4676, 5177, 5344, 5678, 6944, 7378, 7616, 7936, 8432, 9352, 10354, 10688, 11356, 13888, 14756, 15232, 16864, 18704, 19873, 20708, 21376, 22712, 27776, 29512, 30464, 33728, 36239, 37408, 39746, 41416, 42752, 45424, 55552, 59024, 67456, 72478, 74816, 79492, 82832, 88009, 90848, 118048, 134912, 144956, 149632, 158984, 165664, 176018, 181696, 236096, 289912, 299264, 317968, 331328, 352036, 363392, 472192, 579824, 616063, 635936, 662656, 704072, 726784, 944384, 1159648, 1232126, 1271872, 1325312, 1408144, 2319296, 2464252, 2543744, 2816288, 4638592, 4928504, 5087488, 5632576, 9277184, 9857008, 11265152, 19714016, 22530304, 39428032, 78856064, 157712128]

約数ペア:

[(1, 157712128), (2, 78856064), (4, 39428032), (7, 22530304), (8, 19714016), (14, 11265152), (16, 9857008), (17, 9277184), (28, 5632576), (31, 5087488), (32, 4928504), (34, 4638592), (56, 2816288), (62, 2543744), (64, 2464252), (68, 2319296), (112, 1408144), (119, 1325312), (124, 1271872), (128, 1232126), (136, 1159648), (167, 944384), (217, 726784), (224, 704072), (238, 662656), (248, 635936), (256, 616063), (272, 579824), (334, 472192), (434, 363392), (448, 352036), (476, 331328), (496, 317968), (527, 299264), (544, 289912), (668, 236096), (868, 181696), (896, 176018), (952, 165664), (992, 158984), (1054, 149632), (1088, 144956), (1169, 134912), (1336, 118048), (1736, 90848), (1792, 88009), (1904, 82832), (1984, 79492), (2108, 74816), (2176, 72478), (2338, 67456), (2672, 59024), (2839, 55552), (3472, 45424), (3689, 42752), (3808, 41416), (3968, 39746), (4216, 37408), (4352, 36239), (4676, 33728), (5177, 30464), (5344, 29512), (5678, 27776), (6944, 22712), (7378, 21376), (7616, 20708), (7936, 19873), (8432, 18704), (9352, 16864), (10354, 15232), (10688, 14756), (11356, 13888)]