638119872

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2811

約数の個数: 168

約数和(自身を含む): 2034032000

約数和(自身を除く): 1395912128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 32, 36, 39, 48, 52, 62, 64, 72, 78, 93, 96, 104, 117, 124, 144, 156, 186, 192, 208, 234, 248, 279, 288, 312, 372, 403, 416, 468, 496, 558, 576, 624, 744, 806, 832, 936, 992, 1116, 1209, 1248, 1488, 1612, 1872, 1984, 2232, 2418, 2496, 2749, 2976, 3224, 3627, 3744, 4464, 4836, 5498, 5952, 6448, 7254, 7488, 8247, 8928, 9672, 10996, 12896, 14508, 16494, 17856, 19344, 21992, 24741, 25792, 29016, 32988, 35737, 38688, 43984, 49482, 58032, 65976, 71474, 77376, 85219, 87968, 98964, 107211, 116064, 131952, 142948, 170438, 175936, 197928, 214422, 232128, 255657, 263904, 285896, 321633, 340876, 395856, 428844, 511314, 527808, 571792, 643266, 681752, 766971, 791712, 857688, 1022628, 1107847, 1143584, 1286532, 1363504, 1533942, 1583424, 1715376, 2045256, 2215694, 2287168, 2573064, 2727008, 3067884, 3323541, 3430752, 4090512, 4431388, 5146128, 5454016, 6135768, 6647082, 6861504, 8181024, 8862776, 9970623, 10292256, 12271536, 13294164, 16362048, 17725552, 19941246, 20584512, 24543072, 26588328, 35451104, 39882492, 49086144, 53176656, 70902208, 79764984, 106353312, 159529968, 212706624, 319059936, 638119872]

約数ペア:

[(1, 638119872), (2, 319059936), (3, 212706624), (4, 159529968), (6, 106353312), (8, 79764984), (9, 70902208), (12, 53176656), (13, 49086144), (16, 39882492), (18, 35451104), (24, 26588328), (26, 24543072), (31, 20584512), (32, 19941246), (36, 17725552), (39, 16362048), (48, 13294164), (52, 12271536), (62, 10292256), (64, 9970623), (72, 8862776), (78, 8181024), (93, 6861504), (96, 6647082), (104, 6135768), (117, 5454016), (124, 5146128), (144, 4431388), (156, 4090512), (186, 3430752), (192, 3323541), (208, 3067884), (234, 2727008), (248, 2573064), (279, 2287168), (288, 2215694), (312, 2045256), (372, 1715376), (403, 1583424), (416, 1533942), (468, 1363504), (496, 1286532), (558, 1143584), (576, 1107847), (624, 1022628), (744, 857688), (806, 791712), (832, 766971), (936, 681752), (992, 643266), (1116, 571792), (1209, 527808), (1248, 511314), (1488, 428844), (1612, 395856), (1872, 340876), (1984, 321633), (2232, 285896), (2418, 263904), (2496, 255657), (2749, 232128), (2976, 214422), (3224, 197928), (3627, 175936), (3744, 170438), (4464, 142948), (4836, 131952), (5498, 116064), (5952, 107211), (6448, 98964), (7254, 87968), (7488, 85219), (8247, 77376), (8928, 71474), (9672, 65976), (10996, 58032), (12896, 49482), (14508, 43984), (16494, 38688), (17856, 35737), (19344, 32988), (21992, 29016), (24741, 25792)]