165445028

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{42509}}^1$

素因数の和:42659

約数の個数: 24

約数和(自身を含む): 333278400

約数和(自身を除く): 167833372

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 42509, 85018, 170036, 297563, 595126, 1190252, 5908751, 11817502, 23635004, 41361257, 82722514, 165445028]

約数ペア:

[(1, 165445028), (2, 82722514), (4, 41361257), (7, 23635004), (14, 11817502), (28, 5908751), (139, 1190252), (278, 595126), (556, 297563), (973, 170036), (1946, 85018), (3892, 42509)]