128263312

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{216661}}^1$

素因数の和:216706

約数の個数: 20

約数和(自身を含む): 255227836

約数和(自身を除く): 126964524

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 216661, 433322, 866644, 1733288, 3466576, 8016457, 16032914, 32065828, 64131656, 128263312]

約数ペア:

[(1, 128263312), (2, 64131656), (4, 32065828), (8, 16032914), (16, 8016457), (37, 3466576), (74, 1733288), (148, 866644), (296, 433322), (592, 216661)]