80968684

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{285101}}^1$

素因数の和:285176

約数の個数: 12

約数和(自身を含む): 143691408

約数和(自身を除く): 62722724

約数列:

[1, 2, 4, 71, 142, 284, 285101, 570202, 1140404, 20242171, 40484342, 80968684]

約数ペア:

[(1, 80968684), (2, 40484342), (4, 20242171), (71, 1140404), (142, 570202), (284, 285101)]