81177874

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{2207}}^1$

素因数の和:2609

約数の個数: 16

約数和(自身を含む): 124478208

約数和(自身を除く): 43300334

約数列:

[1, 2, 53, 106, 347, 694, 2207, 4414, 18391, 36782, 116971, 233942, 765829, 1531658, 40588937, 81177874]

約数ペア:

[(1, 81177874), (2, 40588937), (53, 1531658), (106, 765829), (347, 233942), (694, 116971), (2207, 36782), (4414, 18391)]