81456662

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{252971}}^1$

素因数の和:253003

約数の個数: 16

約数和(自身を含む): 145711872

約数和(自身を除く): 64255210

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 252971, 505942, 1770797, 3541594, 5818333, 11636666, 40728331, 81456662]

約数ペア:

[(1, 81456662), (2, 40728331), (7, 11636666), (14, 5818333), (23, 3541594), (46, 1770797), (161, 505942), (322, 252971)]