128791168

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 302279040

約数和(自身を除く): 173487872

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 41, 44, 46, 64, 82, 88, 92, 97, 128, 164, 176, 184, 194, 253, 328, 352, 368, 388, 451, 506, 656, 704, 736, 776, 902, 943, 1012, 1067, 1312, 1408, 1472, 1552, 1804, 1886, 2024, 2134, 2231, 2624, 2944, 3104, 3608, 3772, 3977, 4048, 4268, 4462, 5248, 6208, 7216, 7544, 7954, 8096, 8536, 8924, 10373, 12416, 14432, 15088, 15908, 16192, 17072, 17848, 20746, 24541, 28864, 30176, 31816, 32384, 34144, 35696, 41492, 43747, 49082, 57728, 60352, 63632, 68288, 71392, 82984, 87494, 91471, 98164, 120704, 127264, 136576, 142784, 165968, 174988, 182942, 196328, 254528, 285568, 331936, 349976, 365884, 392656, 509056, 663872, 699952, 731768, 785312, 1006181, 1327744, 1399904, 1463536, 1570624, 2012362, 2799808, 2927072, 3141248, 4024724, 5599616, 5854144, 8049448, 11708288, 16098896, 32197792, 64395584, 128791168]

約数ペア:

[(1, 128791168), (2, 64395584), (4, 32197792), (8, 16098896), (11, 11708288), (16, 8049448), (22, 5854144), (23, 5599616), (32, 4024724), (41, 3141248), (44, 2927072), (46, 2799808), (64, 2012362), (82, 1570624), (88, 1463536), (92, 1399904), (97, 1327744), (128, 1006181), (164, 785312), (176, 731768), (184, 699952), (194, 663872), (253, 509056), (328, 392656), (352, 365884), (368, 349976), (388, 331936), (451, 285568), (506, 254528), (656, 196328), (704, 182942), (736, 174988), (776, 165968), (902, 142784), (943, 136576), (1012, 127264), (1067, 120704), (1312, 98164), (1408, 91471), (1472, 87494), (1552, 82984), (1804, 71392), (1886, 68288), (2024, 63632), (2134, 60352), (2231, 57728), (2624, 49082), (2944, 43747), (3104, 41492), (3608, 35696), (3772, 34144), (3977, 32384), (4048, 31816), (4268, 30176), (4462, 28864), (5248, 24541), (6208, 20746), (7216, 17848), (7544, 17072), (7954, 16192), (8096, 15908), (8536, 15088), (8924, 14432), (10373, 12416)]