1215681656

素因数分解:

$2^3\times 7^1\times {\mathrm{21708601}}^1$

素因数の和:21708614

約数の個数: 16

約数和(自身を含む): 2605032240

約数和(自身を除く): 1389350584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 21708601, 43417202, 86834404, 151960207, 173668808, 303920414, 607840828, 1215681656]

約数ペア:

[(1, 1215681656), (2, 607840828), (4, 303920414), (7, 173668808), (8, 151960207), (14, 86834404), (28, 43417202), (56, 21708601)]