978889219

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{1816121}}^1$

素因数の和:1816146

約数の個数: 12

約数和(自身を含む): 1242227448

約数和(自身を除く): 263338229

約数列:

[1, 7, 11, 49, 77, 539, 1816121, 12712847, 19977331, 88989929, 139841317, 978889219]

約数ペア:

[(1, 978889219), (7, 139841317), (11, 88989929), (49, 19977331), (77, 12712847), (539, 1816121)]