57031289

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2953}}^1$

素因数の和:3080

約数の個数: 16

約数和(自身を含む): 68060160

約数和(自身を除く): 11028871

約数列:

[1, 7, 31, 89, 217, 623, 2759, 2953, 19313, 20671, 91543, 262817, 640801, 1839719, 8147327, 57031289]

約数ペア:

[(1, 57031289), (7, 8147327), (31, 1839719), (89, 640801), (217, 262817), (623, 91543), (2759, 20671), (2953, 19313)]