80670401

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{4177}}^1$

素因数の和:4304

約数の個数: 16

約数和(自身を含む): 96261120

約数和(自身を除く): 15590719

約数列:

[1, 7, 31, 89, 217, 623, 2759, 4177, 19313, 29239, 129487, 371753, 906409, 2602271, 11524343, 80670401]

約数ペア:

[(1, 80670401), (7, 11524343), (31, 2602271), (89, 906409), (217, 371753), (623, 129487), (2759, 29239), (4177, 19313)]