161744128

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 407949696

約数和(自身を除く): 246205568

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 53, 56, 64, 91, 104, 106, 112, 128, 131, 182, 208, 212, 224, 256, 262, 364, 371, 416, 424, 448, 524, 689, 728, 742, 832, 848, 896, 917, 1048, 1378, 1456, 1484, 1664, 1696, 1703, 1792, 1834, 2096, 2756, 2912, 2968, 3328, 3392, 3406, 3668, 4192, 4823, 5512, 5824, 5936, 6784, 6812, 6943, 7336, 8384, 9646, 11024, 11648, 11872, 11921, 13568, 13624, 13886, 14672, 16768, 19292, 22048, 23296, 23744, 23842, 27248, 27772, 29344, 33536, 38584, 44096, 47488, 47684, 48601, 54496, 55544, 58688, 77168, 88192, 90259, 94976, 95368, 97202, 108992, 111088, 117376, 154336, 176384, 180518, 190736, 194404, 217984, 222176, 234752, 308672, 361036, 381472, 388808, 435968, 444352, 617344, 631813, 722072, 762944, 777616, 888704, 1234688, 1263626, 1444144, 1525888, 1555232, 1777408, 2527252, 2888288, 3051776, 3110464, 5054504, 5776576, 6220928, 10109008, 11553152, 12441856, 20218016, 23106304, 40436032, 80872064, 161744128]

約数ペア:

[(1, 161744128), (2, 80872064), (4, 40436032), (7, 23106304), (8, 20218016), (13, 12441856), (14, 11553152), (16, 10109008), (26, 6220928), (28, 5776576), (32, 5054504), (52, 3110464), (53, 3051776), (56, 2888288), (64, 2527252), (91, 1777408), (104, 1555232), (106, 1525888), (112, 1444144), (128, 1263626), (131, 1234688), (182, 888704), (208, 777616), (212, 762944), (224, 722072), (256, 631813), (262, 617344), (364, 444352), (371, 435968), (416, 388808), (424, 381472), (448, 361036), (524, 308672), (689, 234752), (728, 222176), (742, 217984), (832, 194404), (848, 190736), (896, 180518), (917, 176384), (1048, 154336), (1378, 117376), (1456, 111088), (1484, 108992), (1664, 97202), (1696, 95368), (1703, 94976), (1792, 90259), (1834, 88192), (2096, 77168), (2756, 58688), (2912, 55544), (2968, 54496), (3328, 48601), (3392, 47684), (3406, 47488), (3668, 44096), (4192, 38584), (4823, 33536), (5512, 29344), (5824, 27772), (5936, 27248), (6784, 23842), (6812, 23744), (6943, 23296), (7336, 22048), (8384, 19292), (9646, 16768), (11024, 14672), (11648, 13886), (11872, 13624), (11921, 13568)]