1328912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6389}}^1$

素因数の和:6410

約数の個数: 20

約数和(自身を含む): 2773260

約数和(自身を除く): 1444348

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6389, 12778, 25556, 51112, 83057, 102224, 166114, 332228, 664456, 1328912]

約数ペア:

[(1, 1328912), (2, 664456), (4, 332228), (8, 166114), (13, 102224), (16, 83057), (26, 51112), (52, 25556), (104, 12778), (208, 6389)]