278333952

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 160

約数和(自身を含む): 816697728

約数和(自身を除く): 538363776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 53, 64, 78, 96, 104, 106, 128, 156, 159, 192, 208, 212, 256, 263, 312, 318, 384, 416, 424, 512, 526, 624, 636, 689, 768, 789, 832, 848, 1052, 1248, 1272, 1378, 1536, 1578, 1664, 1696, 2067, 2104, 2496, 2544, 2756, 3156, 3328, 3392, 3419, 4134, 4208, 4992, 5088, 5512, 6312, 6656, 6784, 6838, 8268, 8416, 9984, 10176, 10257, 11024, 12624, 13568, 13676, 13939, 16536, 16832, 19968, 20352, 20514, 22048, 25248, 27136, 27352, 27878, 33072, 33664, 40704, 41028, 41817, 44096, 50496, 54704, 55756, 66144, 67328, 81408, 82056, 83634, 88192, 100992, 109408, 111512, 132288, 134656, 164112, 167268, 176384, 181207, 201984, 218816, 223024, 264576, 328224, 334536, 352768, 362414, 403968, 437632, 446048, 529152, 543621, 656448, 669072, 724828, 875264, 892096, 1058304, 1087242, 1312896, 1338144, 1449656, 1750528, 1784192, 2174484, 2625792, 2676288, 2899312, 3568384, 4348968, 5251584, 5352576, 5798624, 7136768, 8697936, 10705152, 11597248, 17395872, 21410304, 23194496, 34791744, 46388992, 69583488, 92777984, 139166976, 278333952]

約数ペア:

[(1, 278333952), (2, 139166976), (3, 92777984), (4, 69583488), (6, 46388992), (8, 34791744), (12, 23194496), (13, 21410304), (16, 17395872), (24, 11597248), (26, 10705152), (32, 8697936), (39, 7136768), (48, 5798624), (52, 5352576), (53, 5251584), (64, 4348968), (78, 3568384), (96, 2899312), (104, 2676288), (106, 2625792), (128, 2174484), (156, 1784192), (159, 1750528), (192, 1449656), (208, 1338144), (212, 1312896), (256, 1087242), (263, 1058304), (312, 892096), (318, 875264), (384, 724828), (416, 669072), (424, 656448), (512, 543621), (526, 529152), (624, 446048), (636, 437632), (689, 403968), (768, 362414), (789, 352768), (832, 334536), (848, 328224), (1052, 264576), (1248, 223024), (1272, 218816), (1378, 201984), (1536, 181207), (1578, 176384), (1664, 167268), (1696, 164112), (2067, 134656), (2104, 132288), (2496, 111512), (2544, 109408), (2756, 100992), (3156, 88192), (3328, 83634), (3392, 82056), (3419, 81408), (4134, 67328), (4208, 66144), (4992, 55756), (5088, 54704), (5512, 50496), (6312, 44096), (6656, 41817), (6784, 41028), (6838, 40704), (8268, 33664), (8416, 33072), (9984, 27878), (10176, 27352), (10257, 27136), (11024, 25248), (12624, 22048), (13568, 20514), (13676, 20352), (13939, 19968), (16536, 16832)]