13935025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 18983160

約数和(自身を除く): 5048135

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 809, 1325, 3445, 4045, 10517, 17225, 20225, 42877, 52585, 214385, 262925, 557401, 1071925, 2787005, 13935025]

約数ペア:

[(1, 13935025), (5, 2787005), (13, 1071925), (25, 557401), (53, 262925), (65, 214385), (265, 52585), (325, 42877), (689, 20225), (809, 17225), (1325, 10517), (3445, 4045)]