81191914

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{17939}}^1$

素因数の和:18045

約数の個数: 16

約数和(自身を含む): 127445760

約数和(自身を除く): 46253846

約数列:

[1, 2, 31, 62, 73, 146, 2263, 4526, 17939, 35878, 556109, 1112218, 1309547, 2619094, 40595957, 81191914]

約数ペア:

[(1, 81191914), (2, 40595957), (31, 2619094), (62, 1309547), (73, 1112218), (146, 556109), (2263, 35878), (4526, 17939)]