12721132319

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{3049}}^1$

素因数の和:3363

約数の個数: 32

約数和(自身を含む): 15187536000

約数和(自身を除く): 2466403681

約数列:

[1, 7, 37, 89, 181, 259, 623, 1267, 3049, 3293, 6697, 16109, 21343, 23051, 46879, 112763, 112813, 271361, 551869, 596033, 789691, 1899527, 3863083, 4172231, 10040357, 20419153, 49116341, 70282499, 142934071, 343814387, 1817304617, 12721132319]

約数ペア:

[(1, 12721132319), (7, 1817304617), (37, 343814387), (89, 142934071), (181, 70282499), (259, 49116341), (623, 20419153), (1267, 10040357), (3049, 4172231), (3293, 3863083), (6697, 1899527), (16109, 789691), (21343, 596033), (23051, 551869), (46879, 271361), (112763, 112813)]