207978028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{38543}}^1$

素因数の和:38637

約数の個数: 24

約数和(自身を含む): 388523520

約数和(自身を除く): 180545492

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5396, 38543, 77086, 154172, 732317, 1464634, 2736553, 2929268, 5473106, 10946212, 51994507, 103989014, 207978028]

約数ペア:

[(1, 207978028), (2, 103989014), (4, 51994507), (19, 10946212), (38, 5473106), (71, 2929268), (76, 2736553), (142, 1464634), (284, 732317), (1349, 154172), (2698, 77086), (5396, 38543)]