388297296238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{78002671}}^1$

素因数の和:78002823

約数の個数: 16

約数和(自身を含む): 617781162240

約数和(自身を除く): 229483866002

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4978, 78002671, 156005342, 1482050749, 2964101498, 10218349901, 20436699802, 194148648119, 388297296238]

約数ペア:

[(1, 388297296238), (2, 194148648119), (19, 20436699802), (38, 10218349901), (131, 2964101498), (262, 1482050749), (2489, 156005342), (4978, 78002671)]