3904124

素因数分解:

$2^2\times 7^2\times {\mathrm{19919}}^1$

素因数の和:19937

約数の個数: 18

約数和(自身を含む): 7948080

約数和(自身を除く): 4043956

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 19919, 39838, 79676, 139433, 278866, 557732, 976031, 1952062, 3904124]

約数ペア:

[(1, 3904124), (2, 1952062), (4, 976031), (7, 557732), (14, 278866), (28, 139433), (49, 79676), (98, 39838), (196, 19919)]