388291337

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{2389}}^1$

素因数の和:2541

約数の個数: 24

約数和(自身を含む): 470810880

約数和(自身を除く): 82519543

約数列:

[1, 7, 31, 49, 107, 217, 749, 1519, 2389, 3317, 5243, 16723, 23219, 74059, 117061, 162533, 255623, 518413, 1789361, 3628891, 7924313, 12525527, 55470191, 388291337]

約数ペア:

[(1, 388291337), (7, 55470191), (31, 12525527), (49, 7924313), (107, 3628891), (217, 1789361), (749, 518413), (1519, 255623), (2389, 162533), (3317, 117061), (5243, 74059), (16723, 23219)]