378998

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 16

約数和(自身を含む): 614304

約数和(自身を除く): 235306

約数列:

[1, 2, 17, 34, 71, 142, 157, 314, 1207, 2414, 2669, 5338, 11147, 22294, 189499, 378998]

約数ペア:

[(1, 378998), (2, 189499), (17, 22294), (34, 11147), (71, 5338), (142, 2669), (157, 2414), (314, 1207)]