2019989849097

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1\times {\mathrm{640901}}^1$

素因数の和:641705

約数の個数: 32

約数和(自身を含む): 2962505404800

約数和(自身を除く): 942515555703

約数列:

[1, 3, 11, 33, 149, 447, 641, 1639, 1923, 4917, 7051, 21153, 95509, 286527, 640901, 1050599, 1922703, 3151797, 7049911, 21149733, 95494249, 286482747, 410817541, 1050436739, 1232452623, 3151310217, 4518992951, 13556978853, 61211813609, 183635440827, 673329949699, 2019989849097]

約数ペア:

[(1, 2019989849097), (3, 673329949699), (11, 183635440827), (33, 61211813609), (149, 13556978853), (447, 4518992951), (641, 3151310217), (1639, 1232452623), (1923, 1050436739), (4917, 410817541), (7051, 286482747), (21153, 95494249), (95509, 21149733), (286527, 7049911), (640901, 3151797), (1050599, 1922703)]