26987728

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{17389}}^1$

素因数の和:17494

約数の個数: 20

約数和(自身を含む): 52830820

約数和(自身を除く): 25843092

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 17389, 34778, 69556, 139112, 278224, 1686733, 3373466, 6746932, 13493864, 26987728]

約数ペア:

[(1, 26987728), (2, 13493864), (4, 6746932), (8, 3373466), (16, 1686733), (97, 278224), (194, 139112), (388, 69556), (776, 34778), (1552, 17389)]