138574041790

素因数分解:

$2^1\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{9905221}}^1$

素因数の和:9906627

約数の個数: 16

約数和(自身を含む): 249611594400

約数和(自身を除く): 111037552610

約数列:

[1, 2, 5, 10, 1399, 2798, 6995, 13990, 9905221, 19810442, 49526105, 99052210, 13857404179, 27714808358, 69287020895, 138574041790]

約数ペア:

[(1, 138574041790), (2, 69287020895), (5, 27714808358), (10, 13857404179), (1399, 99052210), (2798, 49526105), (6995, 19810442), (13990, 9905221)]