248889277

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{390721}}^1$

素因数の和:390748

約数の個数: 12

約数和(自身を含む): 311796156

約数和(自身を除く): 62906879

約数列:

[1, 7, 13, 49, 91, 637, 390721, 2735047, 5079373, 19145329, 35555611, 248889277]

約数ペア:

[(1, 248889277), (7, 35555611), (13, 19145329), (49, 5079373), (91, 2735047), (637, 390721)]