31159022

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1271

約数の個数: 16

約数和(自身を含む): 47616000

約数和(自身を除く): 16456978

約数列:

[1, 2, 79, 158, 199, 398, 991, 1982, 15721, 31442, 78289, 156578, 197209, 394418, 15579511, 31159022]

約数ペア:

[(1, 31159022), (2, 15579511), (79, 394418), (158, 197209), (199, 156578), (398, 78289), (991, 31442), (1982, 15721)]