12611389

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 15068160

約数和(自身を除く): 2456771

約数列:

[1, 7, 31, 89, 217, 623, 653, 2759, 4571, 19313, 20243, 58117, 141701, 406819, 1801627, 12611389]

約数ペア:

[(1, 12611389), (7, 1801627), (31, 406819), (89, 141701), (217, 58117), (623, 20243), (653, 19313), (2759, 4571)]