257133528

素因数分解:

$2^3\times 3^4\times {\mathrm{53}}^1\times {\mathrm{7487}}^1$

素因数の和:7558

約数の個数: 80

約数和(自身を含む): 733898880

約数和(自身を除く): 476765352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 81, 106, 108, 159, 162, 212, 216, 318, 324, 424, 477, 636, 648, 954, 1272, 1431, 1908, 2862, 3816, 4293, 5724, 7487, 8586, 11448, 14974, 17172, 22461, 29948, 34344, 44922, 59896, 67383, 89844, 134766, 179688, 202149, 269532, 396811, 404298, 539064, 606447, 793622, 808596, 1190433, 1212894, 1587244, 1617192, 2380866, 2425788, 3174488, 3571299, 4761732, 4851576, 7142598, 9523464, 10713897, 14285196, 21427794, 28570392, 32141691, 42855588, 64283382, 85711176, 128566764, 257133528]

約数ペア:

[(1, 257133528), (2, 128566764), (3, 85711176), (4, 64283382), (6, 42855588), (8, 32141691), (9, 28570392), (12, 21427794), (18, 14285196), (24, 10713897), (27, 9523464), (36, 7142598), (53, 4851576), (54, 4761732), (72, 3571299), (81, 3174488), (106, 2425788), (108, 2380866), (159, 1617192), (162, 1587244), (212, 1212894), (216, 1190433), (318, 808596), (324, 793622), (424, 606447), (477, 539064), (636, 404298), (648, 396811), (954, 269532), (1272, 202149), (1431, 179688), (1908, 134766), (2862, 89844), (3816, 67383), (4293, 59896), (5724, 44922), (7487, 34344), (8586, 29948), (11448, 22461), (14974, 17172)]