1986678934885

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{401755093}}^1$

素因数の和:401755164

約数の個数: 16

約数和(自身を含む): 2545520275584

約数和(自身を除く): 558841340699

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 401755093, 2008775465, 9240367139, 17275468999, 46201835695, 86377344995, 397335786977, 1986678934885]

約数ペア:

[(1, 1986678934885), (5, 397335786977), (23, 86377344995), (43, 46201835695), (115, 17275468999), (215, 9240367139), (989, 2008775465), (4945, 401755093)]