2115989564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{395069}}^1$

素因数の和:395189

約数の個数: 24

約数和(自身を含む): 4026553440

約数和(自身を除く): 1910563876

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 5356, 395069, 790138, 1580276, 5135897, 10271794, 20543588, 40692107, 81384214, 162768428, 528997391, 1057994782, 2115989564]

約数ペア:

[(1, 2115989564), (2, 1057994782), (4, 528997391), (13, 162768428), (26, 81384214), (52, 40692107), (103, 20543588), (206, 10271794), (412, 5135897), (1339, 1580276), (2678, 790138), (5356, 395069)]