139770812

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{2089}}^1$

素因数の和:2525

約数の個数: 24

約数和(自身を含む): 251050800

約数和(自身を除く): 111279988

約数列:

[1, 2, 4, 43, 86, 172, 389, 778, 1556, 2089, 4178, 8356, 16727, 33454, 66908, 89827, 179654, 359308, 812621, 1625242, 3250484, 34942703, 69885406, 139770812]

約数ペア:

[(1, 139770812), (2, 69885406), (4, 34942703), (43, 3250484), (86, 1625242), (172, 812621), (389, 359308), (778, 179654), (1556, 89827), (2089, 66908), (4178, 33454), (8356, 16727)]