2787397488

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{208139}}^1$

素因数の和:208187

約数の個数: 80

約数和(自身を含む): 8258995200

約数和(自身を除く): 5471597712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1488, 1674, 2232, 3348, 4464, 6696, 13392, 208139, 416278, 624417, 832556, 1248834, 1665112, 1873251, 2497668, 3330224, 3746502, 4995336, 5619753, 6452309, 7493004, 9990672, 11239506, 12904618, 14986008, 19356927, 22479012, 25809236, 29972016, 38713854, 44958024, 51618472, 58070781, 77427708, 89916048, 103236944, 116141562, 154855416, 174212343, 232283124, 309710832, 348424686, 464566248, 696849372, 929132496, 1393698744, 2787397488]

約数ペア:

[(1, 2787397488), (2, 1393698744), (3, 929132496), (4, 696849372), (6, 464566248), (8, 348424686), (9, 309710832), (12, 232283124), (16, 174212343), (18, 154855416), (24, 116141562), (27, 103236944), (31, 89916048), (36, 77427708), (48, 58070781), (54, 51618472), (62, 44958024), (72, 38713854), (93, 29972016), (108, 25809236), (124, 22479012), (144, 19356927), (186, 14986008), (216, 12904618), (248, 11239506), (279, 9990672), (372, 7493004), (432, 6452309), (496, 5619753), (558, 4995336), (744, 3746502), (837, 3330224), (1116, 2497668), (1488, 1873251), (1674, 1665112), (2232, 1248834), (3348, 832556), (4464, 624417), (6696, 416278), (13392, 208139)]