27776008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{653}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 56309400

約数和(自身を除く): 28533392

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 653, 818, 1306, 1636, 2612, 3272, 5224, 5317, 8489, 10634, 16978, 21268, 33956, 42536, 67912, 267077, 534154, 1068308, 2136616, 3472001, 6944002, 13888004, 27776008]

約数ペア:

[(1, 27776008), (2, 13888004), (4, 6944002), (8, 3472001), (13, 2136616), (26, 1068308), (52, 534154), (104, 267077), (409, 67912), (653, 42536), (818, 33956), (1306, 21268), (1636, 16978), (2612, 10634), (3272, 8489), (5224, 5317)]