257479872

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2399}}^1$

素因数の和:2470

約数の個数: 112

約数和(自身を含む): 751027200

約数和(自身を除く): 493547328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 48, 52, 64, 78, 86, 96, 104, 129, 156, 172, 192, 208, 258, 312, 344, 416, 516, 559, 624, 688, 832, 1032, 1118, 1248, 1376, 1677, 2064, 2236, 2399, 2496, 2752, 3354, 4128, 4472, 4798, 6708, 7197, 8256, 8944, 9596, 13416, 14394, 17888, 19192, 26832, 28788, 31187, 35776, 38384, 53664, 57576, 62374, 76768, 93561, 103157, 107328, 115152, 124748, 153536, 187122, 206314, 230304, 249496, 309471, 374244, 412628, 460608, 498992, 618942, 748488, 825256, 997984, 1237884, 1341041, 1496976, 1650512, 1995968, 2475768, 2682082, 2993952, 3301024, 4023123, 4951536, 5364164, 5987904, 6602048, 8046246, 9903072, 10728328, 16092492, 19806144, 21456656, 32184984, 42913312, 64369968, 85826624, 128739936, 257479872]

約数ペア:

[(1, 257479872), (2, 128739936), (3, 85826624), (4, 64369968), (6, 42913312), (8, 32184984), (12, 21456656), (13, 19806144), (16, 16092492), (24, 10728328), (26, 9903072), (32, 8046246), (39, 6602048), (43, 5987904), (48, 5364164), (52, 4951536), (64, 4023123), (78, 3301024), (86, 2993952), (96, 2682082), (104, 2475768), (129, 1995968), (156, 1650512), (172, 1496976), (192, 1341041), (208, 1237884), (258, 997984), (312, 825256), (344, 748488), (416, 618942), (516, 498992), (559, 460608), (624, 412628), (688, 374244), (832, 309471), (1032, 249496), (1118, 230304), (1248, 206314), (1376, 187122), (1677, 153536), (2064, 124748), (2236, 115152), (2399, 107328), (2496, 103157), (2752, 93561), (3354, 76768), (4128, 62374), (4472, 57576), (4798, 53664), (6708, 38384), (7197, 35776), (8256, 31187), (8944, 28788), (9596, 26832), (13416, 19192), (14394, 17888)]