1999163936

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 216

約数和(自身を含む): 5175306108

約数和(自身を除く): 3176142172

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 41, 44, 49, 56, 77, 82, 88, 98, 112, 121, 154, 164, 176, 196, 224, 242, 257, 287, 308, 328, 352, 392, 451, 484, 514, 539, 574, 616, 656, 784, 847, 902, 968, 1028, 1078, 1148, 1232, 1312, 1568, 1694, 1799, 1804, 1936, 2009, 2056, 2156, 2296, 2464, 2827, 3157, 3388, 3598, 3608, 3872, 4018, 4112, 4312, 4592, 4961, 5654, 5929, 6314, 6776, 7196, 7216, 8036, 8224, 8624, 9184, 9922, 10537, 11308, 11858, 12593, 12628, 13552, 14392, 14432, 16072, 17248, 19789, 19844, 21074, 22099, 22616, 23716, 25186, 25256, 27104, 28784, 31097, 32144, 34727, 39578, 39688, 42148, 44198, 45232, 47432, 50372, 50512, 57568, 62194, 64288, 69454, 73759, 79156, 79376, 84296, 88396, 90464, 94864, 100744, 101024, 115907, 124388, 138523, 138908, 147518, 158312, 158752, 168592, 176792, 189728, 201488, 217679, 231814, 243089, 248776, 277046, 277816, 295036, 316624, 337184, 353584, 402976, 435358, 463628, 486178, 497552, 516313, 554092, 555632, 590072, 633248, 707168, 811349, 870716, 927256, 972356, 995104, 1032626, 1108184, 1111264, 1180144, 1274977, 1523753, 1622698, 1741432, 1854512, 1944712, 2065252, 2216368, 2360288, 2549954, 3047506, 3245396, 3482864, 3709024, 3889424, 4130504, 4432736, 5099908, 5679443, 6095012, 6490792, 6965728, 7778848, 8261008, 8924839, 10199816, 11358886, 12190024, 12981584, 16522016, 17849678, 20399632, 22717772, 24380048, 25963168, 35699356, 40799264, 45435544, 48760096, 62473873, 71398712, 90871088, 124947746, 142797424, 181742176, 249895492, 285594848, 499790984, 999581968, 1999163936]

約数ペア:

[(1, 1999163936), (2, 999581968), (4, 499790984), (7, 285594848), (8, 249895492), (11, 181742176), (14, 142797424), (16, 124947746), (22, 90871088), (28, 71398712), (32, 62473873), (41, 48760096), (44, 45435544), (49, 40799264), (56, 35699356), (77, 25963168), (82, 24380048), (88, 22717772), (98, 20399632), (112, 17849678), (121, 16522016), (154, 12981584), (164, 12190024), (176, 11358886), (196, 10199816), (224, 8924839), (242, 8261008), (257, 7778848), (287, 6965728), (308, 6490792), (328, 6095012), (352, 5679443), (392, 5099908), (451, 4432736), (484, 4130504), (514, 3889424), (539, 3709024), (574, 3482864), (616, 3245396), (656, 3047506), (784, 2549954), (847, 2360288), (902, 2216368), (968, 2065252), (1028, 1944712), (1078, 1854512), (1148, 1741432), (1232, 1622698), (1312, 1523753), (1568, 1274977), (1694, 1180144), (1799, 1111264), (1804, 1108184), (1936, 1032626), (2009, 995104), (2056, 972356), (2156, 927256), (2296, 870716), (2464, 811349), (2827, 707168), (3157, 633248), (3388, 590072), (3598, 555632), (3608, 554092), (3872, 516313), (4018, 497552), (4112, 486178), (4312, 463628), (4592, 435358), (4961, 402976), (5654, 353584), (5929, 337184), (6314, 316624), (6776, 295036), (7196, 277816), (7216, 277046), (8036, 248776), (8224, 243089), (8624, 231814), (9184, 217679), (9922, 201488), (10537, 189728), (11308, 176792), (11858, 168592), (12593, 158752), (12628, 158312), (13552, 147518), (14392, 138908), (14432, 138523), (16072, 124388), (17248, 115907), (19789, 101024), (19844, 100744), (21074, 94864), (22099, 90464), (22616, 88396), (23716, 84296), (25186, 79376), (25256, 79156), (27104, 73759), (28784, 69454), (31097, 64288), (32144, 62194), (34727, 57568), (39578, 50512), (39688, 50372), (42148, 47432), (44198, 45232)]