813988

素因数分解:

$2^2\times 7^2\times {\mathrm{4153}}^1$

素因数の和:4171

約数の個数: 18

約数和(自身を含む): 1657446

約数和(自身を除く): 843458

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 4153, 8306, 16612, 29071, 58142, 116284, 203497, 406994, 813988]

約数ペア:

[(1, 813988), (2, 406994), (4, 203497), (7, 116284), (14, 58142), (28, 29071), (49, 16612), (98, 8306), (196, 4153)]