13257466789

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{686453}}^1$

素因数の和:686580

約数の個数: 16

約数和(自身を含む): 15815900160

約数和(自身を除く): 2558433371

約数列:

[1, 7, 31, 89, 217, 623, 2759, 19313, 686453, 4805171, 21280043, 61094317, 148960301, 427660219, 1893923827, 13257466789]

約数ペア:

[(1, 13257466789), (7, 1893923827), (31, 427660219), (89, 148960301), (217, 61094317), (623, 21280043), (2759, 4805171), (19313, 686453)]