685656272

素因数分解:

$2^4\times 7^1\times {\mathrm{6121931}}^1$

素因数の和:6121946

約数の個数: 20

約数和(自身を含む): 1518239136

約数和(自身を除く): 832582864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 6121931, 12243862, 24487724, 42853517, 48975448, 85707034, 97950896, 171414068, 342828136, 685656272]

約数ペア:

[(1, 685656272), (2, 342828136), (4, 171414068), (7, 97950896), (8, 85707034), (14, 48975448), (16, 42853517), (28, 24487724), (56, 12243862), (112, 6121931)]