81946256

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 193987584

約数和(自身を除く): 112041328

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 193, 223, 238, 272, 386, 446, 476, 772, 892, 952, 1351, 1544, 1561, 1784, 1904, 2702, 3088, 3122, 3281, 3568, 3791, 5404, 6244, 6562, 7582, 10808, 12488, 13124, 15164, 21616, 22967, 24976, 26248, 26537, 30328, 43039, 45934, 52496, 53074, 60656, 86078, 91868, 106148, 172156, 183736, 212296, 301273, 344312, 367472, 424592, 602546, 688624, 731663, 1205092, 1463326, 2410184, 2926652, 4820368, 5121641, 5853304, 10243282, 11706608, 20486564, 40973128, 81946256]

約数ペア:

[(1, 81946256), (2, 40973128), (4, 20486564), (7, 11706608), (8, 10243282), (14, 5853304), (16, 5121641), (17, 4820368), (28, 2926652), (34, 2410184), (56, 1463326), (68, 1205092), (112, 731663), (119, 688624), (136, 602546), (193, 424592), (223, 367472), (238, 344312), (272, 301273), (386, 212296), (446, 183736), (476, 172156), (772, 106148), (892, 91868), (952, 86078), (1351, 60656), (1544, 53074), (1561, 52496), (1784, 45934), (1904, 43039), (2702, 30328), (3088, 26537), (3122, 26248), (3281, 24976), (3568, 22967), (3791, 21616), (5404, 15164), (6244, 13124), (6562, 12488), (7582, 10808)]