81112336

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{18041}}^1$

素因数の和:18330

約数の個数: 20

約数和(自身を含む): 157723164

約数和(自身を除く): 76610828

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 18041, 36082, 72164, 144328, 288656, 5069521, 10139042, 20278084, 40556168, 81112336]

約数ペア:

[(1, 81112336), (2, 40556168), (4, 20278084), (8, 10139042), (16, 5069521), (281, 288656), (562, 144328), (1124, 72164), (2248, 36082), (4496, 18041)]