17966520673913

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1223}}^1\times {\mathrm{620351}}^1$

素因数の和:621797

約数の個数: 32

約数和(自身を含む): 21868152422400

約数和(自身を除く): 3901631748487

約数列:

[1, 7, 17, 119, 199, 1223, 1393, 3383, 8561, 20791, 23681, 145537, 243377, 620351, 1703639, 4137409, 4342457, 10545967, 28961863, 73821769, 123449849, 758689273, 864148943, 2098647433, 5310824911, 12897717641, 14690532031, 90284023487, 150979165327, 1056854157289, 2566645810559, 17966520673913]

約数ペア:

[(1, 17966520673913), (7, 2566645810559), (17, 1056854157289), (119, 150979165327), (199, 90284023487), (1223, 14690532031), (1393, 12897717641), (3383, 5310824911), (8561, 2098647433), (20791, 864148943), (23681, 758689273), (145537, 123449849), (243377, 73821769), (620351, 28961863), (1703639, 10545967), (4137409, 4342457)]