81837476

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71287}}^1$

素因数の和:71339

約数の個数: 24

約数和(自身を含む): 167669376

約数和(自身を除く): 85831900

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 71287, 142574, 285148, 499009, 998018, 1996036, 2922767, 5845534, 11691068, 20459369, 40918738, 81837476]

約数ペア:

[(1, 81837476), (2, 40918738), (4, 20459369), (7, 11691068), (14, 5845534), (28, 2922767), (41, 1996036), (82, 998018), (164, 499009), (287, 285148), (574, 142574), (1148, 71287)]