28976311

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16759}}^1$

素因数の和:16798

約数の個数: 16

約数和(自身を含む): 37542400

約数和(自身を除く): 8566089

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16759, 117313, 217867, 318421, 1525069, 2228947, 4139473, 28976311]

約数ペア:

[(1, 28976311), (7, 4139473), (13, 2228947), (19, 1525069), (91, 318421), (133, 217867), (247, 117313), (1729, 16759)]