208515874

素因数分解:

$2^1\times 7^3\times {\mathrm{303959}}^1$

素因数の和:303982

約数の個数: 16

約数和(自身を含む): 364752000

約数和(自身を除く): 156236126

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 303959, 607918, 2127713, 4255426, 14893991, 29787982, 104257937, 208515874]

約数ペア:

[(1, 208515874), (2, 104257937), (7, 29787982), (14, 14893991), (49, 4255426), (98, 2127713), (343, 607918), (686, 303959)]