290409218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{76303}}^1$

素因数の和:76489

約数の個数: 16

約数和(自身を含む): 477968256

約数和(自身を除く): 187559038

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 76303, 152606, 839333, 1678666, 13200419, 26400838, 145204609, 290409218]

約数ペア:

[(1, 290409218), (2, 145204609), (11, 26400838), (22, 13200419), (173, 1678666), (346, 839333), (1903, 152606), (3806, 76303)]