121270828

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{31159}}^1$

素因数の和:31309

約数の個数: 24

約数和(自身を含む): 244294400

約数和(自身を除く): 123023572

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 31159, 62318, 124636, 218113, 436226, 872452, 4331101, 8662202, 17324404, 30317707, 60635414, 121270828]

約数ペア:

[(1, 121270828), (2, 60635414), (4, 30317707), (7, 17324404), (14, 8662202), (28, 4331101), (139, 872452), (278, 436226), (556, 218113), (973, 124636), (1946, 62318), (3892, 31159)]