81145144

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{274139}}^1$

素因数の和:274182

約数の個数: 16

約数和(自身を含む): 156259800

約数和(自身を除く): 75114656

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 274139, 548278, 1096556, 2193112, 10143143, 20286286, 40572572, 81145144]

約数ペア:

[(1, 81145144), (2, 40572572), (4, 20286286), (8, 10143143), (37, 2193112), (74, 1096556), (148, 548278), (296, 274139)]