39405268

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23071}}^1$

素因数の和:23143

約数の個数: 24

約数和(自身を含む): 80105984

約数和(自身を除く): 40700716

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 23071, 46142, 92284, 161497, 322994, 645988, 1407331, 2814662, 5629324, 9851317, 19702634, 39405268]

約数ペア:

[(1, 39405268), (2, 19702634), (4, 9851317), (7, 5629324), (14, 2814662), (28, 1407331), (61, 645988), (122, 322994), (244, 161497), (427, 92284), (854, 46142), (1708, 23071)]