81700805

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{5189}}^1$

素因数の和:5308

約数の個数: 16

約数和(自身を含む): 101640960

約数和(自身を除く): 19940155

約数列:

[1, 5, 47, 67, 235, 335, 3149, 5189, 15745, 25945, 243883, 347663, 1219415, 1738315, 16340161, 81700805]

約数ペア:

[(1, 81700805), (5, 16340161), (47, 1738315), (67, 1219415), (235, 347663), (335, 243883), (3149, 25945), (5189, 15745)]