129718852

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{89833}}^1$

素因数の和:89875

約数の個数: 18

約数和(自身を含む): 239587278

約数和(自身を除く): 109868426

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 89833, 179666, 359332, 1706827, 3413654, 6827308, 32429713, 64859426, 129718852]

約数ペア:

[(1, 129718852), (2, 64859426), (4, 32429713), (19, 6827308), (38, 3413654), (76, 1706827), (361, 359332), (722, 179666), (1444, 89833)]