128388239

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{5843}}^1$

素因数の和:5966

約数の個数: 16

約数和(自身を含む): 152224512

約数和(自身を除く): 23836273

約数列:

[1, 7, 43, 73, 301, 511, 3139, 5843, 21973, 40901, 251249, 426539, 1758743, 2985773, 18341177, 128388239]

約数ペア:

[(1, 128388239), (7, 18341177), (43, 2985773), (73, 1758743), (301, 426539), (511, 251249), (3139, 40901), (5843, 21973)]