78891998

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{3469}}^1$

素因数の和:3691

約数の個数: 16

約数和(自身を含む): 120672720

約数和(自身を除く): 41780722

約数列:

[1, 2, 83, 137, 166, 274, 3469, 6938, 11371, 22742, 287927, 475253, 575854, 950506, 39445999, 78891998]

約数ペア:

[(1, 78891998), (2, 39445999), (83, 950506), (137, 575854), (166, 475253), (274, 287927), (3469, 22742), (6938, 11371)]