81589768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25307}}^1$

素因数の和:25357

約数の個数: 32

約数和(自身を含む): 170069760

約数和(自身を除く): 88479992

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 25307, 50614, 101228, 202456, 328991, 657982, 784517, 1315964, 1569034, 2631928, 3138068, 6276136, 10198721, 20397442, 40794884, 81589768]

約数ペア:

[(1, 81589768), (2, 40794884), (4, 20397442), (8, 10198721), (13, 6276136), (26, 3138068), (31, 2631928), (52, 1569034), (62, 1315964), (104, 784517), (124, 657982), (248, 328991), (403, 202456), (806, 101228), (1612, 50614), (3224, 25307)]