980747999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2131}}^1$

素因数の和:2331

約数の個数: 32

約数和(自身を含む): 1260779520

約数和(自身を除く): 280031521

約数列:

[1, 7, 11, 43, 77, 139, 301, 473, 973, 1529, 2131, 3311, 5977, 10703, 14917, 23441, 41839, 65747, 91633, 164087, 296209, 460229, 641431, 1007963, 2073463, 3258299, 7055741, 12736987, 22808093, 89158909, 140106857, 980747999]

約数ペア:

[(1, 980747999), (7, 140106857), (11, 89158909), (43, 22808093), (77, 12736987), (139, 7055741), (301, 3258299), (473, 2073463), (973, 1007963), (1529, 641431), (2131, 460229), (3311, 296209), (5977, 164087), (10703, 91633), (14917, 65747), (23441, 41839)]