198871295

素因数分解:

$5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{25031}}^1$

素因数の和:25270

約数の個数: 16

約数和(自身を含む): 273950208

約数和(自身を除く): 75078913

約数列:

[1, 5, 7, 35, 227, 1135, 1589, 7945, 25031, 125155, 175217, 876085, 5682037, 28410185, 39774259, 198871295]

約数ペア:

[(1, 198871295), (5, 39774259), (7, 28410185), (35, 5682037), (227, 876085), (1135, 175217), (1589, 125155), (7945, 25031)]