639070432

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:393

約数の個数: 192

約数和(自身を含む): 1719180288

約数和(自身を除く): 1080109856

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 71, 77, 88, 91, 104, 112, 142, 143, 154, 176, 182, 208, 224, 281, 284, 286, 308, 352, 364, 416, 497, 562, 568, 572, 616, 728, 781, 923, 994, 1001, 1124, 1136, 1144, 1232, 1456, 1562, 1846, 1967, 1988, 2002, 2248, 2272, 2288, 2464, 2912, 3091, 3124, 3653, 3692, 3934, 3976, 4004, 4496, 4576, 5467, 6182, 6248, 6461, 7306, 7384, 7868, 7952, 8008, 8992, 10153, 10934, 12364, 12496, 12922, 14612, 14768, 15736, 15904, 16016, 19951, 20306, 21637, 21868, 24728, 24992, 25571, 25844, 29224, 29536, 31472, 32032, 39902, 40183, 40612, 43274, 43736, 49456, 51142, 51688, 58448, 62944, 71071, 79804, 80366, 81224, 86548, 87472, 98912, 102284, 103376, 116896, 139657, 142142, 159608, 160732, 162448, 173096, 174944, 204568, 206752, 219461, 259363, 279314, 281281, 284284, 319216, 321464, 324896, 346192, 409136, 438922, 518726, 558628, 562562, 568568, 638432, 642928, 692384, 818272, 877844, 1037452, 1117256, 1125124, 1137136, 1285856, 1536227, 1755688, 1815541, 2074904, 2234512, 2250248, 2274272, 2852993, 3072454, 3511376, 3631082, 4149808, 4469024, 4500496, 5705986, 6144908, 7022752, 7262164, 8299616, 9000992, 11411972, 12289816, 14524328, 19970951, 22823944, 24579632, 29048656, 39941902, 45647888, 49159264, 58097312, 79883804, 91295776, 159767608, 319535216, 639070432]

約数ペア:

[(1, 639070432), (2, 319535216), (4, 159767608), (7, 91295776), (8, 79883804), (11, 58097312), (13, 49159264), (14, 45647888), (16, 39941902), (22, 29048656), (26, 24579632), (28, 22823944), (32, 19970951), (44, 14524328), (52, 12289816), (56, 11411972), (71, 9000992), (77, 8299616), (88, 7262164), (91, 7022752), (104, 6144908), (112, 5705986), (142, 4500496), (143, 4469024), (154, 4149808), (176, 3631082), (182, 3511376), (208, 3072454), (224, 2852993), (281, 2274272), (284, 2250248), (286, 2234512), (308, 2074904), (352, 1815541), (364, 1755688), (416, 1536227), (497, 1285856), (562, 1137136), (568, 1125124), (572, 1117256), (616, 1037452), (728, 877844), (781, 818272), (923, 692384), (994, 642928), (1001, 638432), (1124, 568568), (1136, 562562), (1144, 558628), (1232, 518726), (1456, 438922), (1562, 409136), (1846, 346192), (1967, 324896), (1988, 321464), (2002, 319216), (2248, 284284), (2272, 281281), (2288, 279314), (2464, 259363), (2912, 219461), (3091, 206752), (3124, 204568), (3653, 174944), (3692, 173096), (3934, 162448), (3976, 160732), (4004, 159608), (4496, 142142), (4576, 139657), (5467, 116896), (6182, 103376), (6248, 102284), (6461, 98912), (7306, 87472), (7384, 86548), (7868, 81224), (7952, 80366), (8008, 79804), (8992, 71071), (10153, 62944), (10934, 58448), (12364, 51688), (12496, 51142), (12922, 49456), (14612, 43736), (14768, 43274), (15736, 40612), (15904, 40183), (16016, 39902), (19951, 32032), (20306, 31472), (21637, 29536), (21868, 29224), (24728, 25844), (24992, 25571)]