28089992

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 63694080

約数和(自身を除く): 35604088

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 113, 161, 184, 193, 226, 322, 386, 452, 644, 772, 791, 904, 1288, 1351, 1544, 1582, 2599, 2702, 3164, 4439, 5198, 5404, 6328, 8878, 10396, 10808, 17756, 18193, 20792, 21809, 31073, 35512, 36386, 43618, 62146, 72772, 87236, 124292, 145544, 152663, 174472, 248584, 305326, 501607, 610652, 1003214, 1221304, 2006428, 3511249, 4012856, 7022498, 14044996, 28089992]

約数ペア:

[(1, 28089992), (2, 14044996), (4, 7022498), (7, 4012856), (8, 3511249), (14, 2006428), (23, 1221304), (28, 1003214), (46, 610652), (56, 501607), (92, 305326), (113, 248584), (161, 174472), (184, 152663), (193, 145544), (226, 124292), (322, 87236), (386, 72772), (452, 62146), (644, 43618), (772, 36386), (791, 35512), (904, 31073), (1288, 21809), (1351, 20792), (1544, 18193), (1582, 17756), (2599, 10808), (2702, 10396), (3164, 8878), (4439, 6328), (5198, 5404)]