257135008

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{10133}}^1$

素因数の和:10217

約数の個数: 48

約数和(自身を含む): 554167656

約数和(自身を除く): 297032648

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 793, 976, 1586, 1952, 3172, 6344, 10133, 12688, 20266, 25376, 40532, 81064, 131729, 162128, 263458, 324256, 526916, 618113, 1053832, 1236226, 2107664, 2472452, 4215328, 4944904, 8035469, 9889808, 16070938, 19779616, 32141876, 64283752, 128567504, 257135008]

約数ペア:

[(1, 257135008), (2, 128567504), (4, 64283752), (8, 32141876), (13, 19779616), (16, 16070938), (26, 9889808), (32, 8035469), (52, 4944904), (61, 4215328), (104, 2472452), (122, 2107664), (208, 1236226), (244, 1053832), (416, 618113), (488, 526916), (793, 324256), (976, 263458), (1586, 162128), (1952, 131729), (3172, 81064), (6344, 40532), (10133, 25376), (12688, 20266)]