291221504

素因数分解:

$2^{12}\times 7^2\times {\mathrm{1451}}^1$

素因数の和:1489

約数の個数: 78

約数和(自身を含む): 677919924

約数和(自身を除く): 386698420

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, 1451, 1568, 1792, 2048, 2902, 3136, 3584, 4096, 5804, 6272, 7168, 10157, 11608, 12544, 14336, 20314, 23216, 25088, 28672, 40628, 46432, 50176, 71099, 81256, 92864, 100352, 142198, 162512, 185728, 200704, 284396, 325024, 371456, 568792, 650048, 742912, 1137584, 1300096, 1485824, 2275168, 2600192, 2971648, 4550336, 5200384, 5943296, 9100672, 10400768, 18201344, 20801536, 36402688, 41603072, 72805376, 145610752, 291221504]

約数ペア:

[(1, 291221504), (2, 145610752), (4, 72805376), (7, 41603072), (8, 36402688), (14, 20801536), (16, 18201344), (28, 10400768), (32, 9100672), (49, 5943296), (56, 5200384), (64, 4550336), (98, 2971648), (112, 2600192), (128, 2275168), (196, 1485824), (224, 1300096), (256, 1137584), (392, 742912), (448, 650048), (512, 568792), (784, 371456), (896, 325024), (1024, 284396), (1451, 200704), (1568, 185728), (1792, 162512), (2048, 142198), (2902, 100352), (3136, 92864), (3584, 81256), (4096, 71099), (5804, 50176), (6272, 46432), (7168, 40628), (10157, 28672), (11608, 25088), (12544, 23216), (14336, 20314)]