201979519

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7481}}^1$

素因数の和:7543

約数の個数: 24

約数和(自身を含む): 255884400

約数和(自身を除く): 53904881

約数列:

[1, 7, 19, 29, 49, 133, 203, 551, 931, 1421, 3857, 7481, 26999, 52367, 142139, 216949, 366569, 994973, 1518643, 4122031, 6964811, 10630501, 28854217, 201979519]

約数ペア:

[(1, 201979519), (7, 28854217), (19, 10630501), (29, 6964811), (49, 4122031), (133, 1518643), (203, 994973), (551, 366569), (931, 216949), (1421, 142139), (3857, 52367), (7481, 26999)]