408913921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 458208576

約数和(自身を除く): 49294655

約数列:

[1, 13, 53, 71, 169, 643, 689, 923, 3763, 8359, 8957, 11999, 34079, 45653, 48919, 108667, 443027, 593489, 635947, 2419609, 5759351, 7715357, 31454917, 408913921]

約数ペア:

[(1, 408913921), (13, 31454917), (53, 7715357), (71, 5759351), (169, 2419609), (643, 635947), (689, 593489), (923, 443027), (3763, 108667), (8359, 48919), (8957, 45653), (11999, 34079)]