80984912

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{52181}}^1$

素因数の和:52286

約数の個数: 20

約数和(自身を含む): 158528916

約数和(自身を除く): 77544004

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 52181, 104362, 208724, 417448, 834896, 5061557, 10123114, 20246228, 40492456, 80984912]

約数ペア:

[(1, 80984912), (2, 40492456), (4, 20246228), (8, 10123114), (16, 5061557), (97, 834896), (194, 417448), (388, 208724), (776, 104362), (1552, 52181)]