257627834968

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1\times {\mathrm{4019}}^1$

素因数の和:4529

約数の個数: 128

約数和(自身を含む): 581704934400

約数和(自身を除く): 324077099432

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 157, 161, 184, 314, 317, 322, 628, 634, 644, 1099, 1256, 1268, 1288, 2198, 2219, 2536, 3611, 4019, 4396, 4438, 7222, 7291, 8038, 8792, 8876, 14444, 14582, 16076, 17752, 25277, 28133, 28888, 29164, 32152, 49769, 50554, 51037, 56266, 58328, 92437, 99538, 101108, 102074, 112532, 184874, 199076, 202216, 204148, 225064, 348383, 369748, 398152, 408296, 630983, 647059, 696766, 739496, 1144687, 1261966, 1274023, 1294118, 1393532, 2289374, 2523932, 2548046, 2588236, 2787064, 4416881, 4578748, 5047864, 5096092, 5176472, 8012809, 8833762, 8918161, 9157496, 10192184, 14512609, 16025618, 17667524, 17836322, 29025218, 29302529, 32051236, 35335048, 35672644, 58050436, 58605058, 64102472, 71345288, 101588263, 116100872, 117210116, 200021611, 203176526, 205117703, 234420232, 400043222, 406353052, 410235406, 800086444, 812706104, 820470812, 1400151277, 1600172888, 1640941624, 2800302554, 4600497053, 5600605108, 9200994106, 11201210216, 18401988212, 32203479371, 36803976424, 64406958742, 128813917484, 257627834968]

約数ペア:

[(1, 257627834968), (2, 128813917484), (4, 64406958742), (7, 36803976424), (8, 32203479371), (14, 18401988212), (23, 11201210216), (28, 9200994106), (46, 5600605108), (56, 4600497053), (92, 2800302554), (157, 1640941624), (161, 1600172888), (184, 1400151277), (314, 820470812), (317, 812706104), (322, 800086444), (628, 410235406), (634, 406353052), (644, 400043222), (1099, 234420232), (1256, 205117703), (1268, 203176526), (1288, 200021611), (2198, 117210116), (2219, 116100872), (2536, 101588263), (3611, 71345288), (4019, 64102472), (4396, 58605058), (4438, 58050436), (7222, 35672644), (7291, 35335048), (8038, 32051236), (8792, 29302529), (8876, 29025218), (14444, 17836322), (14582, 17667524), (16076, 16025618), (17752, 14512609), (25277, 10192184), (28133, 9157496), (28888, 8918161), (29164, 8833762), (32152, 8012809), (49769, 5176472), (50554, 5096092), (51037, 5047864), (56266, 4578748), (58328, 4416881), (92437, 2787064), (99538, 2588236), (101108, 2548046), (102074, 2523932), (112532, 2289374), (184874, 1393532), (199076, 1294118), (202216, 1274023), (204148, 1261966), (225064, 1144687), (348383, 739496), (369748, 696766), (398152, 647059), (408296, 630983)]