189156989

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{8221}}^1$

素因数の和:8420

約数の個数: 16

約数和(自身を含む): 228900480

約数和(自身を除く): 39743491

約数列:

[1, 7, 19, 133, 173, 1211, 3287, 8221, 23009, 57547, 156199, 1093393, 1422233, 9955631, 27022427, 189156989]

約数ペア:

[(1, 189156989), (7, 27022427), (19, 9955631), (133, 1422233), (173, 1093393), (1211, 156199), (3287, 57547), (8221, 23009)]