291258128

素因数分解:

$2^4\times 7^1\times {\mathrm{2600519}}^1$

素因数の和:2600534

約数の個数: 20

約数和(自身を含む): 644928960

約数和(自身を除く): 353670832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2600519, 5201038, 10402076, 18203633, 20804152, 36407266, 41608304, 72814532, 145629064, 291258128]

約数ペア:

[(1, 291258128), (2, 145629064), (4, 72814532), (7, 41608304), (8, 36407266), (14, 20804152), (16, 18203633), (28, 10402076), (56, 5201038), (112, 2600519)]