2665742

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:407

約数の個数: 16

約数和(自身を含む): 4139520

約数和(自身を除く): 1473778

約数列:

[1, 2, 43, 86, 139, 223, 278, 446, 5977, 9589, 11954, 19178, 30997, 61994, 1332871, 2665742]

約数ペア:

[(1, 2665742), (2, 1332871), (43, 61994), (86, 30997), (139, 19178), (223, 11954), (278, 9589), (446, 5977)]