78009911

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{26099}}^1$

素因数の和:26174

約数の個数: 12

約数和(自身を含む): 92237400

約数和(自身を除く): 14227489

約数列:

[1, 7, 49, 61, 427, 2989, 26099, 182693, 1278851, 1592039, 11144273, 78009911]

約数ペア:

[(1, 78009911), (7, 11144273), (49, 1592039), (61, 1278851), (427, 182693), (2989, 26099)]