81374515

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1\times {\mathrm{541}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 99511200

約数和(自身を除く): 18136685

約数列:

[1, 5, 67, 335, 449, 541, 2245, 2705, 30083, 36247, 150415, 181235, 242909, 1214545, 16274903, 81374515]

約数ペア:

[(1, 81374515), (5, 16274903), (67, 1214545), (335, 242909), (449, 181235), (541, 150415), (2245, 36247), (2705, 30083)]