81387454

素因数分解:

$2^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:1055

約数の個数: 16

約数和(自身を含む): 123171840

約数和(自身を除く): 41784386

約数列:

[1, 2, 263, 359, 431, 526, 718, 862, 94417, 113353, 154729, 188834, 226706, 309458, 40693727, 81387454]

約数ペア:

[(1, 81387454), (2, 40693727), (263, 309458), (359, 226706), (431, 188834), (526, 154729), (718, 113353), (862, 94417)]