991960144

素因数分解:

$2^4\times 7^1\times {\mathrm{8856787}}^1$

素因数の和:8856802

約数の個数: 20

約数和(自身を含む): 2196483424

約数和(自身を除く): 1204523280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 8856787, 17713574, 35427148, 61997509, 70854296, 123995018, 141708592, 247990036, 495980072, 991960144]

約数ペア:

[(1, 991960144), (2, 495980072), (4, 247990036), (7, 141708592), (8, 123995018), (14, 70854296), (16, 61997509), (28, 35427148), (56, 17713574), (112, 8856787)]