255918208

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 128

約数和(自身を含む): 636088320

約数和(自身を除く): 380170112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 127, 128, 173, 182, 208, 224, 254, 346, 364, 416, 448, 508, 692, 728, 832, 889, 896, 1016, 1211, 1384, 1456, 1651, 1664, 1778, 2032, 2249, 2422, 2768, 2912, 3302, 3556, 4064, 4498, 4844, 5536, 5824, 6604, 7112, 8128, 8996, 9688, 11072, 11557, 11648, 13208, 14224, 15743, 16256, 17992, 19376, 21971, 22144, 23114, 26416, 28448, 31486, 35984, 38752, 43942, 46228, 52832, 56896, 62972, 71968, 77504, 87884, 92456, 105664, 113792, 125944, 143936, 153797, 155008, 175768, 184912, 211328, 251888, 285623, 287872, 307594, 351536, 369824, 503776, 571246, 615188, 703072, 739648, 1007552, 1142492, 1230376, 1406144, 1479296, 1999361, 2015104, 2284984, 2460752, 2812288, 3998722, 4569968, 4921504, 7997444, 9139936, 9843008, 15994888, 18279872, 19686016, 31989776, 36559744, 63979552, 127959104, 255918208]

約数ペア:

[(1, 255918208), (2, 127959104), (4, 63979552), (7, 36559744), (8, 31989776), (13, 19686016), (14, 18279872), (16, 15994888), (26, 9843008), (28, 9139936), (32, 7997444), (52, 4921504), (56, 4569968), (64, 3998722), (91, 2812288), (104, 2460752), (112, 2284984), (127, 2015104), (128, 1999361), (173, 1479296), (182, 1406144), (208, 1230376), (224, 1142492), (254, 1007552), (346, 739648), (364, 703072), (416, 615188), (448, 571246), (508, 503776), (692, 369824), (728, 351536), (832, 307594), (889, 287872), (896, 285623), (1016, 251888), (1211, 211328), (1384, 184912), (1456, 175768), (1651, 155008), (1664, 153797), (1778, 143936), (2032, 125944), (2249, 113792), (2422, 105664), (2768, 92456), (2912, 87884), (3302, 77504), (3556, 71968), (4064, 62972), (4498, 56896), (4844, 52832), (5536, 46228), (5824, 43942), (6604, 38752), (7112, 35984), (8128, 31486), (8996, 28448), (9688, 26416), (11072, 23114), (11557, 22144), (11648, 21971), (13208, 19376), (14224, 17992), (15743, 16256)]