313638178

素因数分解:

$2^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{19949}}^1$

素因数の和:21081

約数の個数: 16

約数和(自身を含む): 538171200

約数和(自身を除く): 224533022

約数列:

[1, 2, 7, 14, 1123, 2246, 7861, 15722, 19949, 39898, 139643, 279286, 22402727, 44805454, 156819089, 313638178]

約数ペア:

[(1, 313638178), (2, 156819089), (7, 44805454), (14, 22402727), (1123, 279286), (2246, 139643), (7861, 39898), (15722, 19949)]