218074549

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{36781}}^1$

素因数の和:36817

約数の個数: 18

約数和(自身を含む): 278844342

約数和(自身を除く): 60769793

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 36781, 257467, 404591, 1802269, 2832137, 4450501, 19824959, 31153507, 218074549]

約数ペア:

[(1, 218074549), (7, 31153507), (11, 19824959), (49, 4450501), (77, 2832137), (121, 1802269), (539, 404591), (847, 257467), (5929, 36781)]