561608551

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{2459}}^1$

素因数の和:2611

約数の個数: 24

約数和(自身を含む): 673056000

約数和(自身を除く): 111447449

約数列:

[1, 7, 49, 59, 79, 413, 553, 2459, 2891, 3871, 4661, 17213, 32627, 120491, 145081, 194261, 228389, 1015567, 1359827, 7108969, 9518789, 11461399, 80229793, 561608551]

約数ペア:

[(1, 561608551), (7, 80229793), (49, 11461399), (59, 9518789), (79, 7108969), (413, 1359827), (553, 1015567), (2459, 228389), (2891, 194261), (3871, 145081), (4661, 120491), (17213, 32627)]