401047272031

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{12541}}^1\times {\mathrm{62581}}^1$

素因数の和:75202

約数の個数: 16

約数和(自身を含む): 464662838848

約数和(自身を除く): 63615566817

約数列:

[1, 7, 73, 511, 12541, 62581, 87787, 438067, 915493, 4568413, 6408451, 31978891, 784828321, 5493798247, 57292467433, 401047272031]

約数ペア:

[(1, 401047272031), (7, 57292467433), (73, 5493798247), (511, 784828321), (12541, 31978891), (62581, 6408451), (87787, 4568413), (438067, 915493)]