8889661456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{42738757}}^1$

素因数の和:42738778

約数の個数: 20

約数和(自身を含む): 18548620972

約数和(自身を除く): 9658959516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 42738757, 85477514, 170955028, 341910056, 555603841, 683820112, 1111207682, 2222415364, 4444830728, 8889661456]

約数ペア:

[(1, 8889661456), (2, 4444830728), (4, 2222415364), (8, 1111207682), (13, 683820112), (16, 555603841), (26, 341910056), (52, 170955028), (104, 85477514), (208, 42738757)]