161041321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 205286400

約数和(自身を除く): 44245079

約数列:

[1, 7, 19, 29, 43, 133, 203, 301, 551, 817, 971, 1247, 3857, 5719, 6797, 8729, 18449, 23693, 28159, 41753, 129143, 165851, 197113, 292271, 535021, 793307, 1210837, 3745147, 5553149, 8475859, 23005903, 161041321]

約数ペア:

[(1, 161041321), (7, 23005903), (19, 8475859), (29, 5553149), (43, 3745147), (133, 1210837), (203, 793307), (301, 535021), (551, 292271), (817, 197113), (971, 165851), (1247, 129143), (3857, 41753), (5719, 28159), (6797, 23693), (8729, 18449)]