219517697

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{235787}}^1$

素因数の和:235820

約数の個数: 12

約数和(自身を含む): 268798320

約数和(自身を除く): 49280623

約数列:

[1, 7, 19, 49, 133, 931, 235787, 1650509, 4479953, 11553563, 31359671, 219517697]

約数ペア:

[(1, 219517697), (7, 31359671), (19, 11553563), (49, 4479953), (133, 1650509), (931, 235787)]