257848130

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{289717}}^1$

素因数の和:289813

約数の個数: 16

約数和(自身を含む): 469343160

約数和(自身を除く): 211495030

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 289717, 579434, 1448585, 2897170, 25784813, 51569626, 128924065, 257848130]

約数ペア:

[(1, 257848130), (2, 128924065), (5, 51569626), (10, 25784813), (89, 2897170), (178, 1448585), (445, 579434), (890, 289717)]