31978684

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{112601}}^1$

素因数の和:112676

約数の個数: 12

約数和(自身を含む): 56751408

約数和(自身を除く): 24772724

約数列:

[1, 2, 4, 71, 142, 284, 112601, 225202, 450404, 7994671, 15989342, 31978684]

約数ペア:

[(1, 31978684), (2, 15989342), (4, 7994671), (71, 450404), (142, 225202), (284, 112601)]