22881719

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4001}}^1$

素因数の和:4070

約数の個数: 16

約数和(自身を含む): 28174080

約数和(自身を除く): 5292361

約数列:

[1, 7, 19, 43, 133, 301, 817, 4001, 5719, 28007, 76019, 172043, 532133, 1204301, 3268817, 22881719]

約数ペア:

[(1, 22881719), (7, 3268817), (19, 1204301), (43, 532133), (133, 172043), (301, 76019), (817, 28007), (4001, 5719)]