638477056

素因数分解:

$2^8\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2213}}^1$

素因数の和:2266

約数の個数: 108

約数和(自身を含む): 1547692272

約数和(自身を除く): 909215216

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 128, 161, 184, 196, 224, 256, 322, 368, 392, 448, 644, 736, 784, 896, 1127, 1288, 1472, 1568, 1792, 2213, 2254, 2576, 2944, 3136, 4426, 4508, 5152, 5888, 6272, 8852, 9016, 10304, 12544, 15491, 17704, 18032, 20608, 30982, 35408, 36064, 41216, 50899, 61964, 70816, 72128, 101798, 108437, 123928, 141632, 144256, 203596, 216874, 247856, 283264, 288512, 356293, 407192, 433748, 495712, 566528, 712586, 814384, 867496, 991424, 1425172, 1628768, 1734992, 1982848, 2494051, 2850344, 3257536, 3469984, 3965696, 4988102, 5700688, 6515072, 6939968, 9976204, 11401376, 13030144, 13879936, 19952408, 22802752, 27759872, 39904816, 45605504, 79809632, 91211008, 159619264, 319238528, 638477056]

約数ペア:

[(1, 638477056), (2, 319238528), (4, 159619264), (7, 91211008), (8, 79809632), (14, 45605504), (16, 39904816), (23, 27759872), (28, 22802752), (32, 19952408), (46, 13879936), (49, 13030144), (56, 11401376), (64, 9976204), (92, 6939968), (98, 6515072), (112, 5700688), (128, 4988102), (161, 3965696), (184, 3469984), (196, 3257536), (224, 2850344), (256, 2494051), (322, 1982848), (368, 1734992), (392, 1628768), (448, 1425172), (644, 991424), (736, 867496), (784, 814384), (896, 712586), (1127, 566528), (1288, 495712), (1472, 433748), (1568, 407192), (1792, 356293), (2213, 288512), (2254, 283264), (2576, 247856), (2944, 216874), (3136, 203596), (4426, 144256), (4508, 141632), (5152, 123928), (5888, 108437), (6272, 101798), (8852, 72128), (9016, 70816), (10304, 61964), (12544, 50899), (15491, 41216), (17704, 36064), (18032, 35408), (20608, 30982)]