201911956

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{363151}}^1$

素因数の和:363294

約数の個数: 12

約数和(自身を含む): 355888960

約数和(自身を除く): 153977004

約数列:

[1, 2, 4, 139, 278, 556, 363151, 726302, 1452604, 50477989, 100955978, 201911956]

約数ペア:

[(1, 201911956), (2, 100955978), (4, 50477989), (139, 1452604), (278, 726302), (556, 363151)]