1291245151

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{19237}}^1$

素因数の和:19510

約数の個数: 16

約数和(自身を含む): 1516877824

約数和(自身を除く): 225632673

約数列:

[1, 7, 43, 223, 301, 1561, 9589, 19237, 67123, 134659, 827191, 4289851, 5790337, 30028957, 184463593, 1291245151]

約数ペア:

[(1, 1291245151), (7, 184463593), (43, 30028957), (223, 5790337), (301, 4289851), (1561, 827191), (9589, 134659), (19237, 67123)]