891621248

素因数分解:

$2^7\times 7^2\times {\mathrm{142159}}^1$

素因数の和:142187

約数の個数: 48

約数和(自身を含む): 2066295600

約数和(自身を除く): 1174674352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 142159, 284318, 568636, 995113, 1137272, 1990226, 2274544, 3980452, 4549088, 6965791, 7960904, 9098176, 13931582, 15921808, 18196352, 27863164, 31843616, 55726328, 63687232, 111452656, 127374464, 222905312, 445810624, 891621248]

約数ペア:

[(1, 891621248), (2, 445810624), (4, 222905312), (7, 127374464), (8, 111452656), (14, 63687232), (16, 55726328), (28, 31843616), (32, 27863164), (49, 18196352), (56, 15921808), (64, 13931582), (98, 9098176), (112, 7960904), (128, 6965791), (196, 4549088), (224, 3980452), (392, 2274544), (448, 1990226), (784, 1137272), (896, 995113), (1568, 568636), (3136, 284318), (6272, 142159)]