201321988

素因数分解:

$2^2\times 7^2\times {\mathrm{1027153}}^1$

素因数の和:1027171

約数の個数: 18

約数和(自身を含む): 409834446

約数和(自身を除く): 208512458

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1027153, 2054306, 4108612, 7190071, 14380142, 28760284, 50330497, 100660994, 201321988]

約数ペア:

[(1, 201321988), (2, 100660994), (4, 50330497), (7, 28760284), (14, 14380142), (28, 7190071), (49, 4108612), (98, 2054306), (196, 1027153)]