686041408

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:520

約数の個数: 112

約数和(自身を含む): 1539833344

約数和(自身を除く): 853791936

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 67, 104, 124, 134, 208, 248, 268, 397, 403, 416, 496, 536, 794, 806, 832, 871, 992, 1072, 1588, 1612, 1742, 1984, 2077, 2144, 3176, 3224, 3484, 4154, 4288, 5161, 6352, 6448, 6968, 8308, 10322, 12307, 12704, 12896, 13936, 16616, 20644, 24614, 25408, 25792, 26599, 27001, 27872, 33232, 41288, 49228, 53198, 54002, 55744, 66464, 82576, 98456, 106396, 108004, 132928, 159991, 165152, 196912, 212792, 216008, 319982, 330304, 345787, 393824, 425584, 432016, 639964, 691574, 787648, 824569, 851168, 864032, 1279928, 1383148, 1649138, 1702336, 1728064, 2559856, 2766296, 3298276, 5119712, 5532592, 6596552, 10239424, 10719397, 11065184, 13193104, 21438794, 22130368, 26386208, 42877588, 52772416, 85755176, 171510352, 343020704, 686041408]

約数ペア:

[(1, 686041408), (2, 343020704), (4, 171510352), (8, 85755176), (13, 52772416), (16, 42877588), (26, 26386208), (31, 22130368), (32, 21438794), (52, 13193104), (62, 11065184), (64, 10719397), (67, 10239424), (104, 6596552), (124, 5532592), (134, 5119712), (208, 3298276), (248, 2766296), (268, 2559856), (397, 1728064), (403, 1702336), (416, 1649138), (496, 1383148), (536, 1279928), (794, 864032), (806, 851168), (832, 824569), (871, 787648), (992, 691574), (1072, 639964), (1588, 432016), (1612, 425584), (1742, 393824), (1984, 345787), (2077, 330304), (2144, 319982), (3176, 216008), (3224, 212792), (3484, 196912), (4154, 165152), (4288, 159991), (5161, 132928), (6352, 108004), (6448, 106396), (6968, 98456), (8308, 82576), (10322, 66464), (12307, 55744), (12704, 54002), (12896, 53198), (13936, 49228), (16616, 41288), (20644, 33232), (24614, 27872), (25408, 27001), (25792, 26599)]