57282265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{21739}}^1$

素因数の和:21792

約数の個数: 16

約数和(自身を含む): 75133440

約数和(自身を除く): 17851175

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 21739, 108695, 369563, 673909, 1847815, 3369545, 11456453, 57282265]

約数ペア:

[(1, 57282265), (5, 11456453), (17, 3369545), (31, 1847815), (85, 673909), (155, 369563), (527, 108695), (2635, 21739)]