199401587

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1\times {\mathrm{593}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 251542368

約数和(自身を除く): 52140781

約数列:

[1, 7, 11, 77, 121, 397, 593, 847, 2779, 4151, 4367, 6523, 30569, 45661, 48037, 71753, 235421, 336259, 502271, 1647947, 2589631, 18127417, 28485941, 199401587]

約数ペア:

[(1, 199401587), (7, 28485941), (11, 18127417), (77, 2589631), (121, 1647947), (397, 502271), (593, 336259), (847, 235421), (2779, 71753), (4151, 48037), (4367, 45661), (6523, 30569)]