31091378

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{1123}}^1$

素因数の和:1361

約数の個数: 16

約数和(自身を含む): 47477760

約数和(自身を除く): 16386382

約数列:

[1, 2, 109, 127, 218, 254, 1123, 2246, 13843, 27686, 122407, 142621, 244814, 285242, 15545689, 31091378]

約数ペア:

[(1, 31091378), (2, 15545689), (109, 285242), (127, 244814), (218, 142621), (254, 122407), (1123, 27686), (2246, 13843)]