218693419

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{62861}}^1$

素因数の和:62946

約数の個数: 12

約数和(自身を含む): 257985648

約数和(自身を除く): 39292229

約数列:

[1, 7, 49, 71, 497, 3479, 62861, 440027, 3080189, 4463131, 31241917, 218693419]

約数ペア:

[(1, 218693419), (7, 31241917), (49, 4463131), (71, 3080189), (497, 440027), (3479, 62861)]