3974789

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1460

約数の個数: 16

約数和(自身を含む): 5053440

約数和(自身を除く): 1078651

約数列:

[1, 7, 13, 31, 91, 217, 403, 1409, 2821, 9863, 18317, 43679, 128219, 305753, 567827, 3974789]

約数ペア:

[(1, 3974789), (7, 567827), (13, 305753), (31, 128219), (91, 43679), (217, 18317), (403, 9863), (1409, 2821)]