128860415

素因数分解:

$5^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1\times {\mathrm{643}}^1$

素因数の和:1066

約数の個数: 16

約数和(自身を含む): 156492000

約数和(自身を除く): 27631585

約数列:

[1, 5, 149, 269, 643, 745, 1345, 3215, 40081, 95807, 172967, 200405, 479035, 864835, 25772083, 128860415]

約数ペア:

[(1, 128860415), (5, 25772083), (149, 864835), (269, 479035), (643, 200405), (745, 172967), (1345, 95807), (3215, 40081)]