28216912

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{18181}}^1$

素因数の和:18286

約数の個数: 20

約数和(自身を含む): 55236916

約数和(自身を除く): 27020004

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 18181, 36362, 72724, 145448, 290896, 1763557, 3527114, 7054228, 14108456, 28216912]

約数ペア:

[(1, 28216912), (2, 14108456), (4, 7054228), (8, 3527114), (16, 1763557), (97, 290896), (194, 145448), (388, 72724), (776, 36362), (1552, 18181)]