639689856

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1009}}^1$

素因数の和:1166

約数の個数: 128

約数和(自身を含む): 1846118400

約数和(自身を除く): 1206428544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 127, 128, 156, 192, 208, 254, 312, 381, 384, 416, 508, 624, 762, 832, 1009, 1016, 1248, 1524, 1651, 1664, 2018, 2032, 2496, 3027, 3048, 3302, 4036, 4064, 4953, 4992, 6054, 6096, 6604, 8072, 8128, 9906, 12108, 12192, 13117, 13208, 16144, 16256, 19812, 24216, 24384, 26234, 26416, 32288, 39351, 39624, 48432, 48768, 52468, 52832, 64576, 78702, 79248, 96864, 104936, 105664, 128143, 129152, 157404, 158496, 193728, 209872, 211328, 256286, 314808, 316992, 384429, 387456, 419744, 512572, 629616, 633984, 768858, 839488, 1025144, 1259232, 1537716, 1665859, 1678976, 2050288, 2518464, 3075432, 3331718, 4100576, 4997577, 5036928, 6150864, 6663436, 8201152, 9995154, 12301728, 13326872, 16402304, 19990308, 24603456, 26653744, 39980616, 49206912, 53307488, 79961232, 106614976, 159922464, 213229952, 319844928, 639689856]

約数ペア:

[(1, 639689856), (2, 319844928), (3, 213229952), (4, 159922464), (6, 106614976), (8, 79961232), (12, 53307488), (13, 49206912), (16, 39980616), (24, 26653744), (26, 24603456), (32, 19990308), (39, 16402304), (48, 13326872), (52, 12301728), (64, 9995154), (78, 8201152), (96, 6663436), (104, 6150864), (127, 5036928), (128, 4997577), (156, 4100576), (192, 3331718), (208, 3075432), (254, 2518464), (312, 2050288), (381, 1678976), (384, 1665859), (416, 1537716), (508, 1259232), (624, 1025144), (762, 839488), (832, 768858), (1009, 633984), (1016, 629616), (1248, 512572), (1524, 419744), (1651, 387456), (1664, 384429), (2018, 316992), (2032, 314808), (2496, 256286), (3027, 211328), (3048, 209872), (3302, 193728), (4036, 158496), (4064, 157404), (4953, 129152), (4992, 128143), (6054, 105664), (6096, 104936), (6604, 96864), (8072, 79248), (8128, 78702), (9906, 64576), (12108, 52832), (12192, 52468), (13117, 48768), (13208, 48432), (16144, 39624), (16256, 39351), (19812, 32288), (24216, 26416), (24384, 26234)]