81139312

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{18047}}^1$

素因数の和:18336

約数の個数: 20

約数和(自身を含む): 157775616

約数和(自身を除く): 76636304

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 18047, 36094, 72188, 144376, 288752, 5071207, 10142414, 20284828, 40569656, 81139312]

約数ペア:

[(1, 81139312), (2, 40569656), (4, 20284828), (8, 10142414), (16, 5071207), (281, 288752), (562, 144376), (1124, 72188), (2248, 36094), (4496, 18047)]