28855141

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1291}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 34398208

約数和(自身を除く): 5543067

約数列:

[1, 7, 31, 103, 217, 721, 1291, 3193, 9037, 22351, 40021, 132973, 280147, 930811, 4122163, 28855141]

約数ペア:

[(1, 28855141), (7, 4122163), (31, 930811), (103, 280147), (217, 132973), (721, 40021), (1291, 22351), (3193, 9037)]