81317348

素因数分解:

$2^2\times 7^1\times {\mathrm{811}}^1\times {\mathrm{3581}}^1$

素因数の和:4403

約数の個数: 24

約数和(自身を含む): 162880704

約数和(自身を除く): 81563356

約数列:

[1, 2, 4, 7, 14, 28, 811, 1622, 3244, 3581, 5677, 7162, 11354, 14324, 22708, 25067, 50134, 100268, 2904191, 5808382, 11616764, 20329337, 40658674, 81317348]

約数ペア:

[(1, 81317348), (2, 40658674), (4, 20329337), (7, 11616764), (14, 5808382), (28, 2904191), (811, 100268), (1622, 50134), (3244, 25067), (3581, 22708), (5677, 14324), (7162, 11354)]