263168256

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:688

約数の個数: 144

約数和(自身を含む): 773089856

約数和(自身を除く): 509921600

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 48, 52, 64, 78, 86, 96, 104, 128, 129, 156, 172, 192, 208, 256, 258, 312, 344, 384, 416, 516, 559, 613, 624, 688, 768, 832, 1032, 1118, 1226, 1248, 1376, 1664, 1677, 1839, 2064, 2236, 2452, 2496, 2752, 3328, 3354, 3678, 4128, 4472, 4904, 4992, 5504, 6708, 7356, 7969, 8256, 8944, 9808, 9984, 11008, 13416, 14712, 15938, 16512, 17888, 19616, 23907, 26359, 26832, 29424, 31876, 33024, 35776, 39232, 47814, 52718, 53664, 58848, 63752, 71552, 78464, 79077, 95628, 105436, 107328, 117696, 127504, 143104, 156928, 158154, 191256, 210872, 214656, 235392, 255008, 316308, 342667, 382512, 421744, 429312, 470784, 510016, 632616, 685334, 765024, 843488, 1020032, 1028001, 1265232, 1370668, 1530048, 1686976, 2040064, 2056002, 2530464, 2741336, 3060096, 3373952, 4112004, 5060928, 5482672, 6120192, 6747904, 8224008, 10121856, 10965344, 16448016, 20243712, 21930688, 32896032, 43861376, 65792064, 87722752, 131584128, 263168256]

約数ペア:

[(1, 263168256), (2, 131584128), (3, 87722752), (4, 65792064), (6, 43861376), (8, 32896032), (12, 21930688), (13, 20243712), (16, 16448016), (24, 10965344), (26, 10121856), (32, 8224008), (39, 6747904), (43, 6120192), (48, 5482672), (52, 5060928), (64, 4112004), (78, 3373952), (86, 3060096), (96, 2741336), (104, 2530464), (128, 2056002), (129, 2040064), (156, 1686976), (172, 1530048), (192, 1370668), (208, 1265232), (256, 1028001), (258, 1020032), (312, 843488), (344, 765024), (384, 685334), (416, 632616), (516, 510016), (559, 470784), (613, 429312), (624, 421744), (688, 382512), (768, 342667), (832, 316308), (1032, 255008), (1118, 235392), (1226, 214656), (1248, 210872), (1376, 191256), (1664, 158154), (1677, 156928), (1839, 143104), (2064, 127504), (2236, 117696), (2452, 107328), (2496, 105436), (2752, 95628), (3328, 79077), (3354, 78464), (3678, 71552), (4128, 63752), (4472, 58848), (4904, 53664), (4992, 52718), (5504, 47814), (6708, 39232), (7356, 35776), (7969, 33024), (8256, 31876), (8944, 29424), (9808, 26832), (9984, 26359), (11008, 23907), (13416, 19616), (14712, 17888), (15938, 16512)]