28839391

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{15907}}^1$

素因数の和:15958

約数の個数: 12

約数和(自身を含む): 34456728

約数和(自身を除く): 5617337

約数列:

[1, 7, 37, 49, 259, 1813, 15907, 111349, 588559, 779443, 4119913, 28839391]

約数ペア:

[(1, 28839391), (7, 4119913), (37, 779443), (49, 588559), (259, 111349), (1813, 15907)]