645052324

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{324473}}^1$

素因数の和:324555

約数の個数: 24

約数和(自身を含む): 1308279168

約数和(自身を除く): 663226844

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 324473, 648946, 1297892, 2271311, 4542622, 9085244, 23037583, 46075166, 92150332, 161263081, 322526162, 645052324]

約数ペア:

[(1, 645052324), (2, 322526162), (4, 161263081), (7, 92150332), (14, 46075166), (28, 23037583), (71, 9085244), (142, 4542622), (284, 2271311), (497, 1297892), (994, 648946), (1988, 324473)]