139886398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{69457}}^1$

素因数の和:69531

約数の個数: 16

約数和(自身を含む): 225043920

約数和(自身を除く): 85157522

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 69457, 138914, 1319683, 2639366, 3681221, 7362442, 69943199, 139886398]

約数ペア:

[(1, 139886398), (2, 69943199), (19, 7362442), (38, 3681221), (53, 2639366), (106, 1319683), (1007, 138914), (2014, 69457)]