12840961

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 15435904

約数和(自身を除く): 2594943

約数列:

[1, 7, 37, 43, 259, 301, 1153, 1591, 8071, 11137, 42661, 49579, 298627, 347053, 1834423, 12840961]

約数ペア:

[(1, 12840961), (7, 1834423), (37, 347053), (43, 298627), (259, 49579), (301, 42661), (1153, 11137), (1591, 8071)]