1890329

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 2321280

約数和(自身を除く): 430951

約数列:

[1, 7, 19, 61, 133, 233, 427, 1159, 1631, 4427, 8113, 14213, 30989, 99491, 270047, 1890329]

約数ペア:

[(1, 1890329), (7, 270047), (19, 99491), (61, 30989), (133, 14213), (233, 8113), (427, 4427), (1159, 1631)]