165216191

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4127}}^1$

素因数の和:4203

約数の個数: 24

約数和(自身を含む): 207060480

約数和(自身を除く): 41844289

約数列:

[1, 7, 19, 43, 49, 133, 301, 817, 931, 2107, 4127, 5719, 28889, 40033, 78413, 177461, 202223, 548891, 1242227, 3371759, 3842237, 8695589, 23602313, 165216191]

約数ペア:

[(1, 165216191), (7, 23602313), (19, 8695589), (43, 3842237), (49, 3371759), (133, 1242227), (301, 548891), (817, 202223), (931, 177461), (2107, 78413), (4127, 40033), (5719, 28889)]