257619264

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:365

約数の個数: 168

約数和(自身を含む): 802660320

約数和(自身を除く): 545041056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 139, 147, 168, 192, 196, 197, 224, 278, 294, 336, 392, 394, 417, 448, 556, 588, 591, 672, 784, 788, 834, 973, 1112, 1176, 1182, 1344, 1379, 1568, 1576, 1668, 1946, 2224, 2352, 2364, 2758, 2919, 3136, 3152, 3336, 3892, 4137, 4448, 4704, 4728, 5516, 5838, 6304, 6672, 6811, 7784, 8274, 8896, 9408, 9456, 9653, 11032, 11676, 12608, 13344, 13622, 15568, 16548, 18912, 19306, 20433, 22064, 23352, 26688, 27244, 27383, 28959, 31136, 33096, 37824, 38612, 40866, 44128, 46704, 54488, 54766, 57918, 62272, 66192, 77224, 81732, 82149, 88256, 93408, 108976, 109532, 115836, 132384, 154448, 163464, 164298, 186816, 191681, 217952, 219064, 231672, 264768, 308896, 326928, 328596, 383362, 435904, 438128, 463344, 575043, 617792, 653856, 657192, 766724, 876256, 926688, 1150086, 1307712, 1314384, 1341767, 1533448, 1752512, 1853376, 2300172, 2628768, 2683534, 3066896, 4025301, 4600344, 5257536, 5367068, 6133792, 8050602, 9200688, 10734136, 12267584, 16101204, 18401376, 21468272, 32202408, 36802752, 42936544, 64404816, 85873088, 128809632, 257619264]

約数ペア:

[(1, 257619264), (2, 128809632), (3, 85873088), (4, 64404816), (6, 42936544), (7, 36802752), (8, 32202408), (12, 21468272), (14, 18401376), (16, 16101204), (21, 12267584), (24, 10734136), (28, 9200688), (32, 8050602), (42, 6133792), (48, 5367068), (49, 5257536), (56, 4600344), (64, 4025301), (84, 3066896), (96, 2683534), (98, 2628768), (112, 2300172), (139, 1853376), (147, 1752512), (168, 1533448), (192, 1341767), (196, 1314384), (197, 1307712), (224, 1150086), (278, 926688), (294, 876256), (336, 766724), (392, 657192), (394, 653856), (417, 617792), (448, 575043), (556, 463344), (588, 438128), (591, 435904), (672, 383362), (784, 328596), (788, 326928), (834, 308896), (973, 264768), (1112, 231672), (1176, 219064), (1182, 217952), (1344, 191681), (1379, 186816), (1568, 164298), (1576, 163464), (1668, 154448), (1946, 132384), (2224, 115836), (2352, 109532), (2364, 108976), (2758, 93408), (2919, 88256), (3136, 82149), (3152, 81732), (3336, 77224), (3892, 66192), (4137, 62272), (4448, 57918), (4704, 54766), (4728, 54488), (5516, 46704), (5838, 44128), (6304, 40866), (6672, 38612), (6811, 37824), (7784, 33096), (8274, 31136), (8896, 28959), (9408, 27383), (9456, 27244), (9653, 26688), (11032, 23352), (11676, 22064), (12608, 20433), (13344, 19306), (13622, 18912), (15568, 16548)]