280339913

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{27487}}^1$

素因数の和:27572

約数の個数: 16

約数和(自身を含む): 337772544

約数和(自身を除く): 57432631

約数列:

[1, 7, 31, 47, 217, 329, 1457, 10199, 27487, 192409, 852097, 1291889, 5964679, 9043223, 40048559, 280339913]

約数ペア:

[(1, 280339913), (7, 40048559), (31, 9043223), (47, 5964679), (217, 1291889), (329, 852097), (1457, 192409), (10199, 27487)]