217414967

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{148609}}^1$

素因数の和:148646

約数の個数: 16

約数和(自身を含む): 285331200

約数和(自身を除く): 67916233

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 148609, 1040263, 1634699, 2823571, 11442893, 19764997, 31059281, 217414967]

約数ペア:

[(1, 217414967), (7, 31059281), (11, 19764997), (19, 11442893), (77, 2823571), (133, 1634699), (209, 1040263), (1463, 148609)]