257475008

素因数分解:

$2^6\times 7^3\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:387

約数の個数: 112

約数和(自身を含む): 613867200

約数和(自身を除く): 356392192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 64, 74, 98, 112, 148, 196, 224, 259, 296, 317, 343, 392, 448, 518, 592, 634, 686, 784, 1036, 1184, 1268, 1372, 1568, 1813, 2072, 2219, 2368, 2536, 2744, 3136, 3626, 4144, 4438, 5072, 5488, 7252, 8288, 8876, 10144, 10976, 11729, 12691, 14504, 15533, 16576, 17752, 20288, 21952, 23458, 25382, 29008, 31066, 35504, 46916, 50764, 58016, 62132, 71008, 82103, 93832, 101528, 108731, 116032, 124264, 142016, 164206, 187664, 203056, 217462, 248528, 328412, 375328, 406112, 434924, 497056, 574721, 656824, 750656, 812224, 869848, 994112, 1149442, 1313648, 1739696, 2298884, 2627296, 3479392, 4023047, 4597768, 5254592, 6958784, 8046094, 9195536, 16092188, 18391072, 32184376, 36782144, 64368752, 128737504, 257475008]

約数ペア:

[(1, 257475008), (2, 128737504), (4, 64368752), (7, 36782144), (8, 32184376), (14, 18391072), (16, 16092188), (28, 9195536), (32, 8046094), (37, 6958784), (49, 5254592), (56, 4597768), (64, 4023047), (74, 3479392), (98, 2627296), (112, 2298884), (148, 1739696), (196, 1313648), (224, 1149442), (259, 994112), (296, 869848), (317, 812224), (343, 750656), (392, 656824), (448, 574721), (518, 497056), (592, 434924), (634, 406112), (686, 375328), (784, 328412), (1036, 248528), (1184, 217462), (1268, 203056), (1372, 187664), (1568, 164206), (1813, 142016), (2072, 124264), (2219, 116032), (2368, 108731), (2536, 101528), (2744, 93832), (3136, 82103), (3626, 71008), (4144, 62132), (4438, 58016), (5072, 50764), (5488, 46916), (7252, 35504), (8288, 31066), (8876, 29008), (10144, 25382), (10976, 23458), (11729, 21952), (12691, 20288), (14504, 17752), (15533, 16576)]