31724978

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{1009}}^1$

素因数の和:1289

約数の個数: 16

約数和(自身を含む): 48480000

約数和(自身を除く): 16755022

約数列:

[1, 2, 79, 158, 199, 398, 1009, 2018, 15721, 31442, 79711, 159422, 200791, 401582, 15862489, 31724978]

約数ペア:

[(1, 31724978), (2, 15862489), (79, 401582), (158, 200791), (199, 159422), (398, 79711), (1009, 31442), (2018, 15721)]