256048387

素因数分解:

$7^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1\times {\mathrm{643}}^1$

素因数の和:1162

約数の個数: 16

約数和(自身を含む): 295724800

約数和(自身を除く): 39676413

約数列:

[1, 7, 163, 349, 643, 1141, 2443, 4501, 56887, 104809, 224407, 398209, 733663, 1570849, 36578341, 256048387]

約数ペア:

[(1, 256048387), (7, 36578341), (163, 1570849), (349, 733663), (643, 398209), (1141, 224407), (2443, 104809), (4501, 56887)]