28487977

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2477}}^1$

素因数の和:2568

約数の個数: 16

約数和(自身を含む): 34255872

約数和(自身を除く): 5767895

約数列:

[1, 7, 31, 53, 217, 371, 1643, 2477, 11501, 17339, 76787, 131281, 537509, 918967, 4069711, 28487977]

約数ペア:

[(1, 28487977), (7, 4069711), (31, 918967), (53, 537509), (217, 131281), (371, 76787), (1643, 17339), (2477, 11501)]