81669656

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{275911}}^1$

素因数の和:275954

約数の個数: 16

約数和(自身を含む): 157269840

約数和(自身を除く): 75600184

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 275911, 551822, 1103644, 2207288, 10208707, 20417414, 40834828, 81669656]

約数ペア:

[(1, 81669656), (2, 40834828), (4, 20417414), (8, 10208707), (37, 2207288), (74, 1103644), (148, 551822), (296, 275911)]