405989458

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{271021}}^1$

素因数の和:271137

約数の個数: 16

約数和(自身を含む): 702489024

約数和(自身を除く): 296499566

約数列:

[1, 2, 7, 14, 107, 214, 749, 1498, 271021, 542042, 1897147, 3794294, 28999247, 57998494, 202994729, 405989458]

約数ペア:

[(1, 405989458), (2, 202994729), (7, 57998494), (14, 28999247), (107, 3794294), (214, 1897147), (749, 542042), (1498, 271021)]