139397090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1991387}}^1$

素因数の和:1991401

約数の個数: 16

約数和(自身を含む): 286759872

約数和(自身を除く): 147362782

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1991387, 3982774, 9956935, 13939709, 19913870, 27879418, 69698545, 139397090]

約数ペア:

[(1, 139397090), (2, 69698545), (5, 27879418), (7, 19913870), (10, 13939709), (14, 9956935), (35, 3982774), (70, 1991387)]