1787123

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 16

約数和(自身を含む): 2069760

約数和(自身を除く): 282637

約数列:

[1, 13, 23, 43, 139, 299, 559, 989, 1807, 3197, 5977, 12857, 41561, 77701, 137471, 1787123]

約数ペア:

[(1, 1787123), (13, 137471), (23, 77701), (43, 41561), (139, 12857), (299, 5977), (559, 3197), (989, 1807)]