199450775

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{60901}}^1$

素因数の和:61042

約数の個数: 12

約数和(自身を含む): 249210984

約数和(自身を除く): 49760209

約数列:

[1, 5, 25, 131, 655, 3275, 60901, 304505, 1522525, 7978031, 39890155, 199450775]

約数ペア:

[(1, 199450775), (5, 39890155), (25, 7978031), (131, 1522525), (655, 304505), (3275, 60901)]