128650496

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 302184960

約数和(自身を除く): 173534464

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 31, 32, 43, 52, 58, 62, 64, 86, 104, 116, 124, 128, 172, 208, 232, 248, 256, 344, 377, 403, 416, 464, 496, 559, 688, 754, 806, 832, 899, 928, 992, 1118, 1247, 1333, 1376, 1508, 1612, 1664, 1798, 1856, 1984, 2236, 2494, 2666, 2752, 3016, 3224, 3328, 3596, 3712, 3968, 4472, 4988, 5332, 5504, 6032, 6448, 7192, 7424, 7936, 8944, 9976, 10664, 11008, 11687, 12064, 12896, 14384, 16211, 17329, 17888, 19952, 21328, 23374, 24128, 25792, 28768, 32422, 34658, 35776, 38657, 39904, 42656, 46748, 48256, 51584, 57536, 64844, 69316, 71552, 77314, 79808, 85312, 93496, 96512, 103168, 115072, 129688, 138632, 143104, 154628, 159616, 170624, 186992, 230144, 259376, 277264, 309256, 319232, 341248, 373984, 502541, 518752, 554528, 618512, 747968, 1005082, 1037504, 1109056, 1237024, 1495936, 2010164, 2075008, 2218112, 2474048, 2991872, 4020328, 4150016, 4436224, 4948096, 8040656, 9896192, 16081312, 32162624, 64325248, 128650496]

約数ペア:

[(1, 128650496), (2, 64325248), (4, 32162624), (8, 16081312), (13, 9896192), (16, 8040656), (26, 4948096), (29, 4436224), (31, 4150016), (32, 4020328), (43, 2991872), (52, 2474048), (58, 2218112), (62, 2075008), (64, 2010164), (86, 1495936), (104, 1237024), (116, 1109056), (124, 1037504), (128, 1005082), (172, 747968), (208, 618512), (232, 554528), (248, 518752), (256, 502541), (344, 373984), (377, 341248), (403, 319232), (416, 309256), (464, 277264), (496, 259376), (559, 230144), (688, 186992), (754, 170624), (806, 159616), (832, 154628), (899, 143104), (928, 138632), (992, 129688), (1118, 115072), (1247, 103168), (1333, 96512), (1376, 93496), (1508, 85312), (1612, 79808), (1664, 77314), (1798, 71552), (1856, 69316), (1984, 64844), (2236, 57536), (2494, 51584), (2666, 48256), (2752, 46748), (3016, 42656), (3224, 39904), (3328, 38657), (3596, 35776), (3712, 34658), (3968, 32422), (4472, 28768), (4988, 25792), (5332, 24128), (5504, 23374), (6032, 21328), (6448, 19952), (7192, 17888), (7424, 17329), (7936, 16211), (8944, 14384), (9976, 12896), (10664, 12064), (11008, 11687)]