1315691728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6325441}}^1$

素因数の和:6325462

約数の個数: 20

約数和(自身を含む): 2745241828

約数和(自身を除く): 1429550100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6325441, 12650882, 25301764, 50603528, 82230733, 101207056, 164461466, 328922932, 657845864, 1315691728]

約数ペア:

[(1, 1315691728), (2, 657845864), (4, 328922932), (8, 164461466), (13, 101207056), (16, 82230733), (26, 50603528), (52, 25301764), (104, 12650882), (208, 6325441)]