268493911

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{1213}}^1$

素因数の和:1630

約数の個数: 16

約数和(自身を含む): 311094784

約数和(自身を除く): 42600873

約数列:

[1, 7, 103, 307, 721, 1213, 2149, 8491, 31621, 124939, 221347, 372391, 874573, 2606737, 38356273, 268493911]

約数ペア:

[(1, 268493911), (7, 38356273), (103, 2606737), (307, 874573), (721, 372391), (1213, 221347), (2149, 124939), (8491, 31621)]