81491131

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 87278400

約数和(自身を除く): 5787269

約数列:

[1, 29, 37, 173, 439, 1073, 5017, 6401, 12731, 16243, 75947, 185629, 471047, 2202463, 2810039, 81491131]

約数ペア:

[(1, 81491131), (29, 2810039), (37, 2202463), (173, 471047), (439, 185629), (1073, 75947), (5017, 16243), (6401, 12731)]