256769408

素因数分解:

$2^7\times 7^2\times {\mathrm{40939}}^1$

素因数の和:40967

約数の個数: 48

約数和(自身を含む): 595062900

約数和(自身を除く): 338293492

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, 40939, 81878, 163756, 286573, 327512, 573146, 655024, 1146292, 1310048, 2006011, 2292584, 2620096, 4012022, 4585168, 5240192, 8024044, 9170336, 16048088, 18340672, 32096176, 36681344, 64192352, 128384704, 256769408]

約数ペア:

[(1, 256769408), (2, 128384704), (4, 64192352), (7, 36681344), (8, 32096176), (14, 18340672), (16, 16048088), (28, 9170336), (32, 8024044), (49, 5240192), (56, 4585168), (64, 4012022), (98, 2620096), (112, 2292584), (128, 2006011), (196, 1310048), (224, 1146292), (392, 655024), (448, 573146), (784, 327512), (896, 286573), (1568, 163756), (3136, 81878), (6272, 40939)]