81644270

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{74903}}^1$

素因数の和:75019

約数の個数: 16

約数和(自身を含む): 148309920

約数和(自身を除く): 66665650

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 74903, 149806, 374515, 749030, 8164427, 16328854, 40822135, 81644270]

約数ペア:

[(1, 81644270), (2, 40822135), (5, 16328854), (10, 8164427), (109, 749030), (218, 374515), (545, 149806), (1090, 74903)]