2989378

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 5472000

約数和(自身を除く): 2482622

約数列:

[1, 2, 7, 14, 29, 37, 58, 74, 199, 203, 259, 398, 406, 518, 1073, 1393, 2146, 2786, 5771, 7363, 7511, 11542, 14726, 15022, 40397, 51541, 80794, 103082, 213527, 427054, 1494689, 2989378]

約数ペア:

[(1, 2989378), (2, 1494689), (7, 427054), (14, 213527), (29, 103082), (37, 80794), (58, 51541), (74, 40397), (199, 15022), (203, 14726), (259, 11542), (398, 7511), (406, 7363), (518, 5771), (1073, 2786), (1393, 2146)]