261799571891

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{42575959}}^1$

素因数の和:42576026

約数の個数: 16

約数和(自身を含む): 314721496320

約数和(自身を除く): 52921924429

約数列:

[1, 11, 13, 43, 143, 473, 559, 6149, 42575959, 468335549, 553487467, 1830766237, 6088362137, 20138428607, 23799961081, 261799571891]

約数ペア:

[(1, 261799571891), (11, 23799961081), (13, 20138428607), (43, 6088362137), (143, 1830766237), (473, 553487467), (559, 468335549), (6149, 42575959)]