208387508

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{68279}}^1$

素因数の和:68399

約数の個数: 24

約数和(自身を含む): 420604800

約数和(自身を除く): 212217292

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 68279, 136558, 273116, 477953, 955906, 1911812, 7442411, 14884822, 29769644, 52096877, 104193754, 208387508]

約数ペア:

[(1, 208387508), (2, 104193754), (4, 52096877), (7, 29769644), (14, 14884822), (28, 7442411), (109, 1911812), (218, 955906), (436, 477953), (763, 273116), (1526, 136558), (3052, 68279)]