211291136

素因数分解:

$2^{10}\times 7^2\times {\mathrm{4211}}^1$

素因数の和:4245

約数の個数: 66

約数和(自身を含む): 491451948

約数和(自身を除く): 280160812

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 3136, 3584, 4211, 6272, 7168, 8422, 12544, 16844, 25088, 29477, 33688, 50176, 58954, 67376, 117908, 134752, 206339, 235816, 269504, 412678, 471632, 539008, 825356, 943264, 1078016, 1650712, 1886528, 2156032, 3301424, 3773056, 4312064, 6602848, 7546112, 13205696, 15092224, 26411392, 30184448, 52822784, 105645568, 211291136]

約数ペア:

[(1, 211291136), (2, 105645568), (4, 52822784), (7, 30184448), (8, 26411392), (14, 15092224), (16, 13205696), (28, 7546112), (32, 6602848), (49, 4312064), (56, 3773056), (64, 3301424), (98, 2156032), (112, 1886528), (128, 1650712), (196, 1078016), (224, 943264), (256, 825356), (392, 539008), (448, 471632), (512, 412678), (784, 269504), (896, 235816), (1024, 206339), (1568, 134752), (1792, 117908), (3136, 67376), (3584, 58954), (4211, 50176), (6272, 33688), (7168, 29477), (8422, 25088), (12544, 16844)]