218219617

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149159}}^1$

素因数の和:149196

約数の個数: 16

約数和(自身を含む): 286387200

約数和(自身を除く): 68167583

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 149159, 1044113, 1640749, 2834021, 11485243, 19838147, 31174231, 218219617]

約数ペア:

[(1, 218219617), (7, 31174231), (11, 19838147), (19, 11485243), (77, 2834021), (133, 1640749), (209, 1044113), (1463, 149159)]