256994031746

素因数分解:

$2^1\times {\mathrm{2089}}^1\times {\mathrm{3089}}^1\times {\mathrm{19913}}^1$

素因数の和:25093

約数の個数: 16

約数和(自身を含む): 385819810200

約数和(自身を除く): 128825778454

約数列:

[1, 2, 2089, 3089, 4178, 6178, 19913, 39826, 6452921, 12905842, 41598257, 61511257, 83196514, 123022514, 128497015873, 256994031746]

約数ペア:

[(1, 256994031746), (2, 128497015873), (2089, 123022514), (3089, 83196514), (4178, 61511257), (6178, 41598257), (19913, 12905842), (39826, 6452921)]