28945072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^2$

素因数の和:186

約数の個数: 60

約数和(自身を含む): 63287616

約数和(自身を除く): 34342544

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 67, 104, 124, 134, 208, 248, 268, 403, 496, 536, 806, 871, 1072, 1612, 1742, 2077, 3224, 3484, 4154, 4489, 6448, 6968, 8308, 8978, 13936, 16616, 17956, 27001, 33232, 35912, 54002, 58357, 71824, 108004, 116714, 139159, 216008, 233428, 278318, 432016, 466856, 556636, 933712, 1113272, 1809067, 2226544, 3618134, 7236268, 14472536, 28945072]

約数ペア:

[(1, 28945072), (2, 14472536), (4, 7236268), (8, 3618134), (13, 2226544), (16, 1809067), (26, 1113272), (31, 933712), (52, 556636), (62, 466856), (67, 432016), (104, 278318), (124, 233428), (134, 216008), (208, 139159), (248, 116714), (268, 108004), (403, 71824), (496, 58357), (536, 54002), (806, 35912), (871, 33232), (1072, 27001), (1612, 17956), (1742, 16616), (2077, 13936), (3224, 8978), (3484, 8308), (4154, 6968), (4489, 6448)]