221969858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{10499}}^1$

素因数の和:10574

約数の個数: 24

約数和(自身を含む): 375354000

約数和(自身を除く): 153384142

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 961, 1922, 10499, 10571, 20998, 21142, 115489, 230978, 325469, 650938, 3580159, 7160318, 10089539, 20179078, 110984929, 221969858]

約数ペア:

[(1, 221969858), (2, 110984929), (11, 20179078), (22, 10089539), (31, 7160318), (62, 3580159), (341, 650938), (682, 325469), (961, 230978), (1922, 115489), (10499, 21142), (10571, 20998)]