278540105

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{5101}}^1$

素因数の和:5336

約数の個数: 16

約数和(自身を含む): 341385024

約数和(自身を除く): 62844919

約数列:

[1, 5, 67, 163, 335, 815, 5101, 10921, 25505, 54605, 341767, 831463, 1708835, 4157315, 55708021, 278540105]

約数ペア:

[(1, 278540105), (5, 55708021), (67, 4157315), (163, 1708835), (335, 831463), (815, 341767), (5101, 54605), (10921, 25505)]