81948484

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{288551}}^1$

素因数の和:288626

約数の個数: 12

約数和(自身を含む): 145430208

約数和(自身を除く): 63481724

約数列:

[1, 2, 4, 71, 142, 284, 288551, 577102, 1154204, 20487121, 40974242, 81948484]

約数ペア:

[(1, 81948484), (2, 40974242), (4, 20487121), (71, 1154204), (142, 577102), (284, 288551)]