81493198

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1\times {\mathrm{677}}^1$

素因数の和:1251

約数の個数: 16

約数和(自身を含む): 123585840

約数和(自身を除く): 42092642

約数列:

[1, 2, 139, 278, 433, 677, 866, 1354, 60187, 94103, 120374, 188206, 293141, 586282, 40746599, 81493198]

約数ペア:

[(1, 81493198), (2, 40746599), (139, 586282), (278, 293141), (433, 188206), (677, 120374), (866, 94103), (1354, 60187)]