171997728

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{709}}^1$

素因数の和:767

約数の個数: 144

約数和(自身を含む): 545348160

約数和(自身を除く): 373350432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 76, 84, 96, 112, 114, 133, 152, 168, 224, 228, 266, 304, 336, 361, 399, 456, 532, 608, 672, 709, 722, 798, 912, 1064, 1083, 1418, 1444, 1596, 1824, 2127, 2128, 2166, 2527, 2836, 2888, 3192, 4254, 4256, 4332, 4963, 5054, 5672, 5776, 6384, 7581, 8508, 8664, 9926, 10108, 11344, 11552, 12768, 13471, 14889, 15162, 17016, 17328, 19852, 20216, 22688, 26942, 29778, 30324, 34032, 34656, 39704, 40413, 40432, 53884, 59556, 60648, 68064, 79408, 80826, 80864, 94297, 107768, 119112, 121296, 158816, 161652, 188594, 215536, 238224, 242592, 255949, 282891, 323304, 377188, 431072, 476448, 511898, 565782, 646608, 754376, 767847, 1023796, 1131564, 1293216, 1508752, 1535694, 1791643, 2047592, 2263128, 3017504, 3071388, 3583286, 4095184, 4526256, 5374929, 6142776, 7166572, 8190368, 9052512, 10749858, 12285552, 14333144, 21499716, 24571104, 28666288, 42999432, 57332576, 85998864, 171997728]

約数ペア:

[(1, 171997728), (2, 85998864), (3, 57332576), (4, 42999432), (6, 28666288), (7, 24571104), (8, 21499716), (12, 14333144), (14, 12285552), (16, 10749858), (19, 9052512), (21, 8190368), (24, 7166572), (28, 6142776), (32, 5374929), (38, 4526256), (42, 4095184), (48, 3583286), (56, 3071388), (57, 3017504), (76, 2263128), (84, 2047592), (96, 1791643), (112, 1535694), (114, 1508752), (133, 1293216), (152, 1131564), (168, 1023796), (224, 767847), (228, 754376), (266, 646608), (304, 565782), (336, 511898), (361, 476448), (399, 431072), (456, 377188), (532, 323304), (608, 282891), (672, 255949), (709, 242592), (722, 238224), (798, 215536), (912, 188594), (1064, 161652), (1083, 158816), (1418, 121296), (1444, 119112), (1596, 107768), (1824, 94297), (2127, 80864), (2128, 80826), (2166, 79408), (2527, 68064), (2836, 60648), (2888, 59556), (3192, 53884), (4254, 40432), (4256, 40413), (4332, 39704), (4963, 34656), (5054, 34032), (5672, 30324), (5776, 29778), (6384, 26942), (7581, 22688), (8508, 20216), (8664, 19852), (9926, 17328), (10108, 17016), (11344, 15162), (11552, 14889), (12768, 13471)]