291321856

素因数分解:

$2^{11}\times 7^2\times {\mathrm{2903}}^1$

素因数の和:2939

約数の個数: 72

約数和(自身を含む): 677837160

約数和(自身を除く): 386515304

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, 2048, 2903, 3136, 3584, 5806, 6272, 7168, 11612, 12544, 14336, 20321, 23224, 25088, 40642, 46448, 50176, 81284, 92896, 100352, 142247, 162568, 185792, 284494, 325136, 371584, 568988, 650272, 743168, 1137976, 1300544, 1486336, 2275952, 2601088, 2972672, 4551904, 5202176, 5945344, 9103808, 10404352, 18207616, 20808704, 36415232, 41617408, 72830464, 145660928, 291321856]

約数ペア:

[(1, 291321856), (2, 145660928), (4, 72830464), (7, 41617408), (8, 36415232), (14, 20808704), (16, 18207616), (28, 10404352), (32, 9103808), (49, 5945344), (56, 5202176), (64, 4551904), (98, 2972672), (112, 2601088), (128, 2275952), (196, 1486336), (224, 1300544), (256, 1137976), (392, 743168), (448, 650272), (512, 568988), (784, 371584), (896, 325136), (1024, 284494), (1568, 185792), (1792, 162568), (2048, 142247), (2903, 100352), (3136, 92896), (3584, 81284), (5806, 50176), (6272, 46448), (7168, 40642), (11612, 25088), (12544, 23224), (14336, 20321)]