890390401

素因数分解:

${\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1\times {\mathrm{647}}^1$

素因数の和:1212

約数の個数: 16

約数和(自身を含む): 931627008

約数和(自身を除く): 41236607

約数列:

[1, 31, 103, 431, 647, 3193, 13361, 20057, 44393, 66641, 278857, 1376183, 2065871, 8644567, 28722271, 890390401]

約数ペア:

[(1, 890390401), (31, 28722271), (103, 8644567), (431, 2065871), (647, 1376183), (3193, 278857), (13361, 66641), (20057, 44393)]