28991306

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:1013

約数の個数: 16

約数和(自身を含む): 44169216

約数和(自身を除く): 15177910

約数列:

[1, 2, 127, 157, 254, 314, 727, 1454, 19939, 39878, 92329, 114139, 184658, 228278, 14495653, 28991306]

約数ペア:

[(1, 28991306), (2, 14495653), (127, 228278), (157, 184658), (254, 114139), (314, 92329), (727, 39878), (1454, 19939)]