621676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 1209600

約数和(自身を除く): 587924

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 199, 284, 398, 781, 796, 1562, 2189, 3124, 4378, 8756, 14129, 28258, 56516, 155419, 310838, 621676]

約数ペア:

[(1, 621676), (2, 310838), (4, 155419), (11, 56516), (22, 28258), (44, 14129), (71, 8756), (142, 4378), (199, 3124), (284, 2189), (398, 1562), (781, 796)]