12740384

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 26345088

約数和(自身を除く): 13604704

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 86, 94, 172, 188, 197, 344, 376, 394, 688, 752, 788, 1376, 1504, 1576, 2021, 3152, 4042, 6304, 8084, 8471, 9259, 16168, 16942, 18518, 32336, 33884, 37036, 64672, 67768, 74072, 135536, 148144, 271072, 296288, 398137, 796274, 1592548, 3185096, 6370192, 12740384]

約数ペア:

[(1, 12740384), (2, 6370192), (4, 3185096), (8, 1592548), (16, 796274), (32, 398137), (43, 296288), (47, 271072), (86, 148144), (94, 135536), (172, 74072), (188, 67768), (197, 64672), (344, 37036), (376, 33884), (394, 32336), (688, 18518), (752, 16942), (788, 16168), (1376, 9259), (1504, 8471), (1576, 8084), (2021, 6304), (3152, 4042)]