81136496

素因数分解:

$2^4\times 7^1\times {\mathrm{724433}}^1$

素因数の和:724448

約数の個数: 20

約数和(自身を含む): 179659632

約数和(自身を除く): 98523136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 724433, 1448866, 2897732, 5071031, 5795464, 10142062, 11590928, 20284124, 40568248, 81136496]

約数ペア:

[(1, 81136496), (2, 40568248), (4, 20284124), (7, 11590928), (8, 10142062), (14, 5795464), (16, 5071031), (28, 2897732), (56, 1448866), (112, 724433)]