27943754

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{641}}^1$

素因数の和:1021

約数の個数: 16

約数和(自身を含む): 42710976

約数和(自身を除く): 14767222

約数列:

[1, 2, 71, 142, 307, 614, 641, 1282, 21797, 43594, 45511, 91022, 196787, 393574, 13971877, 27943754]

約数ペア:

[(1, 27943754), (2, 13971877), (71, 393574), (142, 196787), (307, 91022), (614, 45511), (641, 43594), (1282, 21797)]