1289502721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1\times {\mathrm{1019}}^1$

素因数の和:1656

約数の個数: 16

約数和(自身を含む): 1398983040

約数和(自身を除く): 109480319

約数列:

[1, 13, 311, 313, 1019, 4043, 4069, 13247, 97343, 316909, 318947, 1265459, 4119817, 4146311, 99192517, 1289502721]

約数ペア:

[(1, 1289502721), (13, 99192517), (311, 4146311), (313, 4119817), (1019, 1265459), (4043, 318947), (4069, 316909), (13247, 97343)]