1621874443

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{1163}}^1\times {\mathrm{11719}}^1$

素因数の和:12906

約数の個数: 16

約数和(自身を含む): 1964459520

約数和(自身を除く): 342585077

約数列:

[1, 7, 17, 119, 1163, 8141, 11719, 19771, 82033, 138397, 199223, 1394561, 13629197, 95404379, 231696349, 1621874443]

約数ペア:

[(1, 1621874443), (7, 231696349), (17, 95404379), (119, 13629197), (1163, 1394561), (8141, 199223), (11719, 138397), (19771, 82033)]