28171805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1223}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 35956224

約数和(自身を除く): 7784419

約数列:

[1, 5, 17, 85, 271, 1223, 1355, 4607, 6115, 20791, 23035, 103955, 331433, 1657165, 5634361, 28171805]

約数ペア:

[(1, 28171805), (5, 5634361), (17, 1657165), (85, 331433), (271, 103955), (1223, 23035), (1355, 20791), (4607, 6115)]