81259756

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{344321}}^1$

素因数の和:344384

約数の個数: 12

約数和(自身を含む): 144615240

約数和(自身を除く): 63355484

約数列:

[1, 2, 4, 59, 118, 236, 344321, 688642, 1377284, 20314939, 40629878, 81259756]

約数ペア:

[(1, 81259756), (2, 40629878), (4, 20314939), (59, 1377284), (118, 688642), (236, 344321)]