1971291091

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{141443}}^1$

素因数の和:141642

約数の個数: 16

約数和(自身を含む): 2471309568

約数和(自身を除く): 500018477

約数列:

[1, 7, 11, 77, 181, 1267, 1991, 13937, 141443, 990101, 1555873, 10891111, 25601183, 179208281, 281613013, 1971291091]

約数ペア:

[(1, 1971291091), (7, 281613013), (11, 179208281), (77, 25601183), (181, 10891111), (1267, 1555873), (1991, 990101), (13937, 141443)]