397188862

素因数分解:

$2^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{90641}}^1$

素因数の和:90963

約数の個数: 16

約数和(自身を含む): 683078112

約数和(自身を除く): 285889250

約数列:

[1, 2, 7, 14, 313, 626, 2191, 4382, 90641, 181282, 634487, 1268974, 28370633, 56741266, 198594431, 397188862]

約数ペア:

[(1, 397188862), (2, 198594431), (7, 56741266), (14, 28370633), (313, 1268974), (626, 634487), (2191, 181282), (4382, 90641)]