80974364

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{285121}}^1$

素因数の和:285196

約数の個数: 12

約数和(自身を含む): 143701488

約数和(自身を除く): 62727124

約数列:

[1, 2, 4, 71, 142, 284, 285121, 570242, 1140484, 20243591, 40487182, 80974364]

約数ペア:

[(1, 80974364), (2, 40487182), (4, 20243591), (71, 1140484), (142, 570242), (284, 285121)]