203480005

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{3511}}^1$

素因数の和:3756

約数の個数: 16

約数和(自身を含む): 249323904

約数和(自身を除く): 45843899

約数列:

[1, 5, 67, 173, 335, 865, 3511, 11591, 17555, 57955, 235237, 607403, 1176185, 3037015, 40696001, 203480005]

約数ペア:

[(1, 203480005), (5, 40696001), (67, 3037015), (173, 1176185), (335, 607403), (865, 235237), (3511, 57955), (11591, 17555)]