2180984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 4483920

約数和(自身を除く): 2302936

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 313, 536, 626, 871, 1252, 1742, 2504, 3484, 4069, 6968, 8138, 16276, 20971, 32552, 41942, 83884, 167768, 272623, 545246, 1090492, 2180984]

約数ペア:

[(1, 2180984), (2, 1090492), (4, 545246), (8, 272623), (13, 167768), (26, 83884), (52, 41942), (67, 32552), (104, 20971), (134, 16276), (268, 8138), (313, 6968), (536, 4069), (626, 3484), (871, 2504), (1252, 1742)]