128535211

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{1123}}^1$

素因数の和:1410

約数の個数: 16

約数和(自身を含む): 149554944

約数和(自身を除く): 21019733

約数列:

[1, 7, 83, 197, 581, 1123, 1379, 7861, 16351, 93209, 114457, 221231, 652463, 1548617, 18362173, 128535211]

約数ペア:

[(1, 128535211), (7, 18362173), (83, 1548617), (197, 652463), (581, 221231), (1123, 114457), (1379, 93209), (7861, 16351)]